Answer: In Exercises 1720, evaluate each expression without using a calculator. (Hint
Chapter 5, Problem 19(choose chapter or problem)
In Exercises 17–20, evaluate each expression without using a calculator. (Hint: See Example 3.)
(a) cot[ arcsin \(\left(-\frac{1}{2}\right)\) ]
(b) csc[ arctan \(\left(-\frac{5}{12}\right)\) ]
Text Transcription:
(- 1/ 2)
(-5/12)
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