Question
Find the exact values of $\sin 2 \theta, \cos 2 \theta$ and tan $2 \theta$ subject to the given conditions.$$\tan \theta=2,0<\theta<\frac{\pi}{2}$$
Step 1
Given that $\tan \theta = 2$ and $0<\theta<\frac{\pi}{2}$, we can draw a right triangle in the first quadrant with the opposite side as 2 and the adjacent side as 1. Show more…
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