Question
8. Suppose you have borrowed two calculators from friends, but you do not know whether they are set to work in radians or degrees.
8. Suppose you have borrowed two calculators from friends, but you do not know whether they are set to work in radians or degrees. You ask each calculator to evaluate cos 3.14. One calculator replies with an answer of -0.99999; the other calculator replies with an answer of 0.998499. Without further use of a calculator, how would you decide which calculator is using degrees? Explain your answer.
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Precalculus Concepts Through Functions A Unit Circle Approach To Trigonometry
Authors: Michael Sullivan
5th Edition
9780137945139
