1. sinh^2x + tanh^2x=? 2. What is the value of tan A if cot 2A cot 68= 1? 3. Let h(x) = 3x + 12 and k(x) = sqrt(x). What is the domain of k o h?

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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1. sinh^2x + tanh^2x=?

2. What is the value of tan A if cot 2A cot 68= 1?

3. Let h(x) = 3x + 12 and k(x) = sqrt(x). What is the domain of k o h?

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