 5.1.5.1.6: In Exercises 1 60, verify each identity.sin x sec x = tan x
 5.1.5.1.7: In Exercises 1 60, verify each identity.cos x csc x = cot x
 5.1.5.1.8: In Exercises 1 60, verify each identity.tan1x2 cos x = sin x
 5.1.5.1.9: In Exercises 1 60, verify each identity.cot1x2 sin x = cos x
 5.1.5.1.10: In Exercises 1 60, verify each identity.tan x csc x cos x = 1
 5.1.5.1.11: In Exercises 1 60, verify each identity.cot x sec x sin x = 1
 5.1.5.1.12: In Exercises 1 60, verify each identity. sec x  sec x sin2 x = cos x
 5.1.5.1.13: In Exercises 1 60, verify each identity. csc x  csc x cos2 x = sin x
 5.1.5.1.14: In Exercises 1 60, verify each identity.cos2 x  sin2 x = 1  2 sin2 x
 5.1.5.1.15: In Exercises 1 60, verify each identity.cos2 x  sin2 x = 2 cos2 x  1
 5.1.5.1.16: In Exercises 1 60, verify each identity.csc u  sin u = cot u cos u
 5.1.5.1.17: In Exercises 1 60, verify each identity.tan u + cot u = sec u csc u
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 5.1.5.1.66: In Exercises 61 66, half of an identity and the graph of this half ...
 5.1.5.1.67: In Exercises 61 66, half of an identity and the graph of this half ...
 5.1.5.1.68: In Exercises 61 66, half of an identity and the graph of this half ...
 5.1.5.1.69: In Exercises 61 66, half of an identity and the graph of this half ...
 5.1.5.1.70: In Exercises 61 66, half of an identity and the graph of this half ...
 5.1.5.1.71: In Exercises 61 66, half of an identity and the graph of this half ...
 5.1.5.1.72: In Exercises 67 74, rewrite each expression in terms of the given f...
 5.1.5.1.73: In Exercises 67 74, rewrite each expression in terms of the given f...
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 5.1.5.1.79: In Exercises 67 74, rewrite each expression in terms of the given f...
 5.1.5.1.80: Explain how to verify an identity
 5.1.5.1.81: Describe two strategies that can be used to verify identities
 5.1.5.1.82: Describe how you feel when you successfully verify a difficult iden...
 5.1.5.1.83: A 10point question on a quiz asks students to verify the identity ...
 5.1.5.1.84: In Exercises 79 87, graph each side of the equation in the same vie...
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 5.1.5.1.93: The word identity is used in different ways in additive identity, m...
 5.1.5.1.94: To prove a trigonometric identity, I select one side of the equatio...
 5.1.5.1.95: In order to simplify I need to know how to subtract rational expres...
 5.1.5.1.96: The most efficient way that I can simplify is to immediately rewrit...
 5.1.5.1.97: In Exercises 92 95, verify each identity.
 5.1.5.1.98: In Exercises 92 95, verify each identity.
 5.1.5.1.99: In Exercises 92 95, verify each identity.
 5.1.5.1.100: In Exercises 92 95, verify each identity.
 5.1.5.1.101: Use one of the fundamental identities in the box on page 586 to cre...
 5.1.5.1.102: Group members are to write a helpful list of items for a pamphlet c...
 5.1.5.1.103: Give exact values for cos 30, sin 30, cos 60, sin 60, cos 90, and s...
 5.1.5.1.104: Use the appropriate values from Exercise 98 to answer each of the f...
 5.1.5.1.105: Use the appropriate values from Exercise 98 to answer each of the f...
Solutions for Chapter 5.1: Verifying Trigonometric Identities
Full solutions for Precalculus  4th Edition
ISBN: 9780321559845
Solutions for Chapter 5.1: Verifying Trigonometric Identities
Get Full SolutionsThis expansive textbook survival guide covers the following chapters and their solutions. Precalculus was written by and is associated to the ISBN: 9780321559845. Since 100 problems in chapter 5.1: Verifying Trigonometric Identities have been answered, more than 76945 students have viewed full stepbystep solutions from this chapter. This textbook survival guide was created for the textbook: Precalculus, edition: 4. Chapter 5.1: Verifying Trigonometric Identities includes 100 full stepbystep solutions.

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

Combination
An arrangement of elements of a set, in which order is not important

Conic section (or conic)
A curve obtained by intersecting a doublenapped right circular cone with a plane

Cube root
nth root, where n = 3 (see Principal nth root),

Difference of complex numbers
(a + bi)  (c + di) = (a  c) + (b  d)i

Eccentricity
A nonnegative number that specifies how offcenter the focus of a conic is

Equal matrices
Matrices that have the same order and equal corresponding elements.

Interval
Connected subset of the real number line with at least two points, p. 4.

Natural numbers
The numbers 1, 2, 3, . . . ,.

Outcomes
The various possible results of an experiment.

Parallel lines
Two lines that are both vertical or have equal slopes.

Perpendicular lines
Two lines that are at right angles to each other

Positive linear correlation
See Linear correlation.

Radicand
See Radical.

Reexpression of data
A transformation of a data set.

RRAM
A Riemann sum approximation of the area under a curve ƒ(x) from x = a to x = b using x1 as the righthand end point of each subinterval.

Sample space
Set of all possible outcomes of an experiment.

Slant line
A line that is neither horizontal nor vertical

Sum of a finite geometric series
Sn = a111  r n 2 1  r

Third quartile
See Quartile.