True or False? In Exercises 69 and 70, determinewhether the statement is true or false. Justify youranswer.69. The quotient identities and reciprocal identities can beused to write any trigonometric function in terms of sineand cosine.70. A cofunction identity can transform a tangent functioninto a cosecant function.

Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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True or False? In Exercises 69 and 70, determine
whether the statement is true or false. Justify your
answer.
69. The quotient identities and reciprocal identities can be
used to write any trigonometric function in terms of sine
and cosine.
70. A cofunction identity can transform a tangent function
into a cosecant function.

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