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Get Answers to all your Questions
Prove that 1 − sin 2 θ/ cos 2θ = 1.
Answers (1)
Given- $\frac{1 - \sin^2 \theta}{\cos^2 \theta}$
Using the identity, $\sin^2 \theta + \cos^2 \theta = 1 \Rightarrow 1 - \sin^2 \theta = \cos^2 \theta$
So, $\frac{1 - \sin^2 \theta}{\cos^2 \theta} = \frac{\cos^2 \theta}{\cos^2 \theta} = 1$
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