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Mathematics, 23.07.2019 01:20 jcox626

Find \cos\left(\dfrac{19\pi}{12}\right)c os( 12 19π )cosine, left parenthesis, start fraction, 19, pi, divided by, 12, end fraction, right parenthesis exactly using an angle addition or subtraction formula.

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Find \cos\left(\dfrac{19\pi}{12}\right)c os( 12 19π )cosine, left parenthesis, start fraction, 19,...
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