For the following exercises, find the exact values of a) sin(2x), b) cos(2x), and c) tan(2x) without

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For the following exercises, find the exact values of a) sin(2x), b) cos(2x), and c) tan(2x) without solving for x.

If cos x = −1/2 , and x is in quadrant III.

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Precalculus

ISBN: 9781938168345

1st Edition

Authors: Jay Abramson

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