What is the simplified value of \frac{\sin2A}{1+\cos2A} ?

SSC CGL 8 Aug 2017 Shift 1 Paper

Question : 69 of 100

Marks: +1, -0

What is the simplified value of

{\sin2A}/{1+\cos2A}

Solution:

{\sin2A}/{1+\cos2A}={2 \sin A \cos A}/{1+2\cos^2A-1}

{2 \sin A \cos A}/{2\cos^2A}=\sinA/\cosA=\tanA

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