 72.7.2.1: Mark the following angles on a unit circle and give the coordinates...
 72.7.2.2: In Exercises 24, what angle (in degrees) corresponds to the given n...
 72.7.2.3: In Exercises 24, what angle (in degrees) corresponds to the given n...
 72.7.2.4: In Exercises 24, what angle (in degrees) corresponds to the given n...
 72.7.2.5: For Exercises 56, sketch and find the coordinates of the point corr...
 72.7.2.6: For Exercises 56, sketch and find the coordinates of the point corr...
 72.7.2.7: In Exercises 710, find (a) sin (b) cos
 72.7.2.8: In Exercises 710, find (a) sin (b) cos
 72.7.2.9: In Exercises 710, find (a) sin (b) cos
 72.7.2.10: In Exercises 710, find (a) sin (b) cos
 72.7.2.11: Sketch the angles = 420 and = 150 as a displacement on a Ferris whe...
 72.7.2.12: Find an angle , with 0 << 360, that has the same (a) Cosine as 240 ...
 72.7.2.13: Find an angle , with 0 << 360, that has the same (a) Cosine as 53 (...
 72.7.2.14: (a) Given that P (0.707, 0.707) is a point on the unit circle with ...
 72.7.2.15: For the angle shown in Figure 7.23, sketch each of the following an...
 72.7.2.16: Let be an angle in the first quadrant, and suppose sin = a. Evaluat...
 72.7.2.17: Explain in your own words the definition of sin on the unit circle ...
 72.7.2.18: The revolving door in Figure 7.25 rotates counterclockwise and has ...
 72.7.2.19: A revolving door (that rotates counterclockwise in Figure 7.26) was...
 72.7.2.20: Calculate sin 45 and cos 45 exactly. Use the fact that the point P ...
 72.7.2.21: (a) In Figure 7.27, what can be said about the lengths of the three...
 72.7.2.22: A kite flier wondered how high her kite was flying. She used a prot...
 72.7.2.23: A ladder 3 meters long leans against a house, making an angle with ...
 72.7.2.24: You are parasailing on a rope that is 125 feet long behind a boat. ...
Solutions for Chapter 72: THE SINE AND COSINE FUNCTIONS
Full solutions for Functions Modeling Change: A Preparation for Calculus  4th Edition
ISBN: 9780470484753
Solutions for Chapter 72: THE SINE AND COSINE FUNCTIONS
Get Full SolutionsSince 24 problems in chapter 72: THE SINE AND COSINE FUNCTIONS have been answered, more than 27707 students have viewed full stepbystep solutions from this chapter. This expansive textbook survival guide covers the following chapters and their solutions. Functions Modeling Change: A Preparation for Calculus was written by and is associated to the ISBN: 9780470484753. This textbook survival guide was created for the textbook: Functions Modeling Change: A Preparation for Calculus , edition: 4. Chapter 72: THE SINE AND COSINE FUNCTIONS includes 24 full stepbystep solutions.

Acute angle
An angle whose measure is between 0° and 90°

Additive inverse of a real number
The opposite of b , or b

Algebraic expression
A combination of variables and constants involving addition, subtraction, multiplication, division, powers, and roots

Division
a b = aa 1 b b, b Z 0

Focal length of a parabola
The directed distance from the vertex to the focus.

Frequency
Reciprocal of the period of a sinusoid.

Identity
An equation that is always true throughout its domain.

Inverse sine function
The function y = sin1 x

Leibniz notation
The notation dy/dx for the derivative of ƒ.

Linear inequality in two variables x and y
An inequality that can be written in one of the following forms: y 6 mx + b, y … mx + b, y 7 mx + b, or y Ú mx + b with m Z 0

Logarithmic function with base b
The inverse of the exponential function y = bx, denoted by y = logb x

Negative association
A relationship between two variables in which higher values of one variable are generally associated with lower values of the other variable.

Polar equation
An equation in r and ?.

Range of a function
The set of all output values corresponding to elements in the domain.

Real zeros
Zeros of a function that are real numbers.

Relation
A set of ordered pairs of real numbers.

Root of a number
See Principal nth root.

Standard form of a complex number
a + bi, where a and b are real numbers

Xmin
The xvalue of the left side of the viewing window,.

zaxis
Usually the third dimension in Cartesian space.