Question: Given sin a = , with a in quadrant IV, find cos (2a). Enter the exact Given sin 7 with in quadrant I V, find

Given sin 7 with in quadrant I V, find COS(2Q). Enter the
exact answer.

Given sin a = , with a in quadrant IV, find cos (2a). Enter the exact

Given sin 7 with in quadrant I V, find COS(2Q). Enter the exact answer.

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