In Problems 113118, use the periodic and even-odd properties. If f () = cos and f (a)
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In Problems 113–118, use the periodic and even-odd properties.
If f (θ) = cosθ and f (a) = 1/4, find the exact value of:
Transcribed Image Text:
(a) f(-a) (b) f(a) + f(a + 2π) + f(a - 2π)
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Given that f cos and fa 14 we can use the periodic and evenodd properties of th...View the full answer
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Related Book For
Precalculus Concepts Through Functions A Unit Circle Approach To Trigonometry
ISBN: 9780137945139
5th Edition
Authors: Michael Sullivan
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