\sqrt{\frac{1+\sin\theta}{1-\sin\theta}} + \sqrt{\frac{1-\sin\theta}{1+\sin\theta}} = 2\sec\theta
Added by Alfonso M.
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Step 1
Using the identity secθ = 1/cosθ, we can rewrite the expression as sinθ + sinθ (1/cosθ) sinθ. Show more…
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