Solution: In Exercises 1720, evaluate each expression without using a calculator. (Hint
Chapter 5, Problem 20(choose chapter or problem)
In Exercises 17–20, evaluate each expression without using a calculator. (Hint: See Example 3.)
(a) sec[ arctan \(\left(-\frac{3}{5}\right)\) ]
(b) tan[ arcsin \(\left(-\frac{5}{6}\right)\) ]
Text Transcription:
(- 3/ 5)
(-5/ 6)
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