Cos - -QAcot -2 cos 4- -A-tan3- -Atan 7-2-Asin2- -A

[ cos #160; ( π θ A ) #160; ( π #160; / 2 #160; ) cos #160; ( 4π A ) #160; /tan #160; ( 3π +A ) ·tan #160; ( 7π #160; / 2 +Asin ...

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Trigonometric Ratios of Compound Angles

cos π -QAcot ...

Question

$\frac{c o s (π - Q A) c o t (\frac{π}{2}) c o s (4 π - A)}{t a n (3 π + A) t a n (\frac{7 π}{2} + A s i n (2 π - A))}$

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