Answer: In Exercises 1720, evaluate each expression without using a calculator. (Hint
Chapter 5, Problem 18(choose chapter or problem)
In Exercises 17–20, evaluate each expression without using a calculator. (Hint: See Example 3.)
(a) tan(arccos \(\frac{\sqrt{2}}{2}\))
(b) cos(arcsin \(\frac{5}{13}\))
Text Transcription:
sqrt 2 / 2
5/13
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