Trigonometry! #83

Geometry Level 3

If A + B = π 2 A+B=\frac{\pi}{2} , then the equivalent of tan A tan B + tan A cot B sin A sec B sin 2 B cos 2 A \frac{\tan A \tan B + \tan A \cot B}{\sin A \sec B} - \frac{\sin^{2} B}{\cos^{2} A} is

This problem is part of the set Trigonometry .

tan 2 A -\tan^{2}A cot 2 A -\cot^{2} A cot 2 B \cot ^{2} B cot 2 A \cot^{2}A

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1 solution

Rishabh Singh
Feb 3, 2015

put A=30 and B=60

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