 8.4.1: Is u p/2 a solution of 2 cos2 u 3 cos u 0?
 8.4.2: Is x 15 a solution of cos 2x sin 2x 1?
 8.4.3: Is x 3p/4 a solution of tan2 x 3 tan x 2 0?
 8.4.4: Is t 2p/3 a solution of 2 sin t 2
 8.4.5: In Exercises 522, determine all solutions of the given equations. E...
 8.4.6: In Exercises 522, determine all solutions of the given equations. E...
 8.4.7: In Exercises 522, determine all solutions of the given equations. E...
 8.4.8: In Exercises 522, determine all solutions of the given equations. E...
 8.4.9: In Exercises 522, determine all solutions of the given equations. E...
 8.4.10: In Exercises 522, determine all solutions of the given equations. E...
 8.4.11: In Exercises 522, determine all solutions of the given equations. E...
 8.4.12: In Exercises 522, determine all solutions of the given equations. E...
 8.4.13: In Exercises 522, determine all solutions of the given equations. E...
 8.4.14: In Exercises 522, determine all solutions of the given equations. E...
 8.4.15: In Exercises 522, determine all solutions of the given equations. E...
 8.4.16: In Exercises 522, determine all solutions of the given equations. E...
 8.4.17: In Exercises 522, determine all solutions of the given equations. E...
 8.4.18: In Exercises 522, determine all solutions of the given equations. E...
 8.4.19: In Exercises 522, determine all solutions of the given equations. E...
 8.4.20: In Exercises 522, determine all solutions of the given equations. E...
 8.4.21: In Exercises 522, determine all solutions of the given equations. E...
 8.4.22: In Exercises 522, determine all solutions of the given equations. E...
 8.4.23: (a) Graph the equation y cos2 x cos x 2. Use a viewing rectangle ex...
 8.4.24: (a) Graph the equation y tan2 x tan x 6 for 0 x 2p. (b) By zooming ...
 8.4.25: In Exercises 2538, use a calculator to find all solutions in the in...
 8.4.26: In Exercises 2538, use a calculator to find all solutions in the in...
 8.4.27: In Exercises 2538, use a calculator to find all solutions in the in...
 8.4.28: In Exercises 2538, use a calculator to find all solutions in the in...
 8.4.29: In Exercises 2538, use a calculator to find all solutions in the in...
 8.4.30: In Exercises 2538, use a calculator to find all solutions in the in...
 8.4.31: In Exercises 2538, use a calculator to find all solutions in the in...
 8.4.32: In Exercises 2538, use a calculator to find all solutions in the in...
 8.4.33: In Exercises 2538, use a calculator to find all solutions in the in...
 8.4.34: In Exercises 2538, use a calculator to find all solutions in the in...
 8.4.35: In Exercises 2538, use a calculator to find all solutions in the in...
 8.4.36: In Exercises 2538, use a calculator to find all solutions in the in...
 8.4.37: In Exercises 2538, use a calculator to find all solutions in the in...
 8.4.38: In Exercises 2538, use a calculator to find all solutions in the in...
 8.4.39: In Exercises 39 44, find all solutions in the interval 0 u 360. Whe...
 8.4.40: In Exercises 39 44, find all solutions in the interval 0 u 360. Whe...
 8.4.41: In Exercises 39 44, find all solutions in the interval 0 u 360. Whe...
 8.4.42: In Exercises 39 44, find all solutions in the interval 0 u 360. Whe...
 8.4.43: In Exercises 39 44, find all solutions in the interval 0 u 360. Whe...
 8.4.44: In Exercises 39 44, find all solutions in the interval 0 u 360. Whe...
 8.4.45: In Exercises 4552, determine all of the solutions in the interval 0...
 8.4.46: In Exercises 4552, determine all of the solutions in the interval 0...
 8.4.47: In Exercises 4552, determine all of the solutions in the interval 0...
 8.4.48: In Exercises 4552, determine all of the solutions in the interval 0...
 8.4.49: In Exercises 4552, determine all of the solutions in the interval 0...
 8.4.50: In Exercises 4552, determine all of the solutions in the interval 0...
 8.4.51: In Exercises 4552, determine all of the solutions in the interval 0...
 8.4.52: In Exercises 4552, determine all of the solutions in the interval 0...
 8.4.53: In Exercises 5374, solve the equations on the interval [0, 2p] as f...
 8.4.54: In Exercises 5374, solve the equations on the interval [0, 2p] as f...
 8.4.55: In Exercises 5374, solve the equations on the interval [0, 2p] as f...
 8.4.56: In Exercises 5374, solve the equations on the interval [0, 2p] as f...
 8.4.57: In Exercises 5374, solve the equations on the interval [0, 2p] as f...
 8.4.58: In Exercises 5374, solve the equations on the interval [0, 2p] as f...
 8.4.59: In Exercises 5374, solve the equations on the interval [0, 2p] as f...
 8.4.60: In Exercises 5374, solve the equations on the interval [0, 2p] as f...
 8.4.61: In Exercises 5374, solve the equations on the interval [0, 2p] as f...
 8.4.62: In Exercises 5374, solve the equations on the interval [0, 2p] as f...
 8.4.63: In Exercises 5374, solve the equations on the interval [0, 2p] as f...
 8.4.64: In Exercises 5374, solve the equations on the interval [0, 2p] as f...
 8.4.65: In Exercises 5374, solve the equations on the interval [0, 2p] as f...
 8.4.66: In Exercises 5374, solve the equations on the interval [0, 2p] as f...
 8.4.67: In Exercises 5374, solve the equations on the interval [0, 2p] as f...
 8.4.68: In Exercises 5374, solve the equations on the interval [0, 2p] as f...
 8.4.69: In Exercises 5374, solve the equations on the interval [0, 2p] as f...
 8.4.70: In Exercises 5374, solve the equations on the interval [0, 2p] as f...
 8.4.71: In Exercises 5374, solve the equations on the interval [0, 2p] as f...
 8.4.72: In Exercises 5374, solve the equations on the interval [0, 2p] as f...
 8.4.73: In Exercises 5374, solve the equations on the interval [0, 2p] as f...
 8.4.74: In Exercises 5374, solve the equations on the interval [0, 2p] as f...
 8.4.75: Find all solutions of the equation tan 3x tan x 0 in the interval 0...
 8.4.76: Find all solutions of the equation 2 sin x 1 cos x in the interval ...
 8.4.77: Find all solutions of the equation cos (x/2) 1 cos x in the interva...
 8.4.78: Find all solutions of the equation sin 3x cos x cos 3x sin x in the...
 8.4.79: Find all real numbers u for which sec 4u 2 sin 4u 0
 8.4.80: Consider the equation sin2 x cos2 x 7/25. (a) Solve the equation fo...
 8.4.81: Find a solution of the equation 4 sin u 3 cos u 2 in the interval 0...
 8.4.82: Find all solutions of the equation sin3 u cos u sin u cos3 u in the...
 8.4.83: Consider the equation sin x cos x 1. (a) Square both sides and then...
 8.4.84: The accompanying figure shows a portion of the graph of the periodi...
 8.4.85: (a) Find the smallest solution of cos x 0.412 in the interval (1000...
 8.4.86: (a) Graph the function y sin(px/180) in the standard viewing rectan...
 8.4.87: The accompanying figure shows a graph of the function f(x) x 0.4 si...
 8.4.88: (As background for this exercise, you need to know the definitions ...
 8.4.89: For Exercises 8992, refer to the following figure and formulas. The...
 8.4.90: For Exercises 8992, refer to the following figure and formulas. The...
 8.4.91: For Exercises 8992, refer to the following figure and formulas. The...
 8.4.92: For Exercises 8992, refer to the following figure and formulas. The...
 8.4.93: In Exercises 9398, each exercise results in an equation that you wi...
 8.4.94: In Exercises 9398, each exercise results in an equation that you wi...
 8.4.95: In Exercises 9398, each exercise results in an equation that you wi...
 8.4.96: In Exercises 9398, each exercise results in an equation that you wi...
 8.4.97: In Exercises 9398, each exercise results in an equation that you wi...
 8.4.98: In Exercises 9398, each exercise results in an equation that you wi...
 8.4.99: For Exercises 99101, refer to the following figure and formula. The...
 8.4.100: For Exercises 99101, refer to the following figure and formula. The...
 8.4.101: For Exercises 99101, refer to the following figure and formula. The...
 8.4.102: In this exercise you will see how certain cubic equations can be so...
Solutions for Chapter 8.4: TRIGONOMETRIC EQUATIONS
Full solutions for Precalculus: With Unit Circle Trigonometry (with Interactive Video Skillbuilder CDROM) (Available 2010 Titles Enhanced Web Assign)  4th Edition
ISBN: 9780534402303
Solutions for Chapter 8.4: TRIGONOMETRIC EQUATIONS
Get Full SolutionsThis expansive textbook survival guide covers the following chapters and their solutions. Precalculus: With Unit Circle Trigonometry (with Interactive Video Skillbuilder CDROM) (Available 2010 Titles Enhanced Web Assign) was written by and is associated to the ISBN: 9780534402303. This textbook survival guide was created for the textbook: Precalculus: With Unit Circle Trigonometry (with Interactive Video Skillbuilder CDROM) (Available 2010 Titles Enhanced Web Assign), edition: 4. Since 102 problems in chapter 8.4: TRIGONOMETRIC EQUATIONS have been answered, more than 25543 students have viewed full stepbystep solutions from this chapter. Chapter 8.4: TRIGONOMETRIC EQUATIONS includes 102 full stepbystep solutions.

Ambiguous case
The case in which two sides and a nonincluded angle can determine two different triangles

Bounded above
A function is bounded above if there is a number B such that ƒ(x) ? B for all x in the domain of ƒ.

Closed interval
An interval that includes its endpoints

Coefficient matrix
A matrix whose elements are the coefficients in a system of linear equations

Continuous at x = a
lim x:a x a ƒ(x) = ƒ(a)

Degree of a polynomial (function)
The largest exponent on the variable in any of the terms of the polynomial (function)

Exponential growth function
Growth modeled by ƒ(x) = a ? b a > 0, b > 1 .

Mapping
A function viewed as a mapping of the elements of the domain onto the elements of the range

n factorial
For any positive integer n, n factorial is n! = n.(n  1) . (n  2) .... .3.2.1; zero factorial is 0! = 1

Orthogonal vectors
Two vectors u and v with u x v = 0.

Positive linear correlation
See Linear correlation.

Product of functions
(ƒg)(x) = ƒ(x)g(x)

Product rule of logarithms
ogb 1RS2 = logb R + logb S, R > 0, S > 0,

Quartic function
A degree 4 polynomial function.

Range screen
See Viewing window.

Reciprocal of a real number
See Multiplicative inverse of a real number.

Remainder theorem
If a polynomial f(x) is divided by x  c , the remainder is ƒ(c)

Second
Angle measure equal to 1/60 of a minute.

Vertical line test
A test for determining whether a graph is a function.

Xmax
The xvalue of the right side of the viewing window,.