Math, asked by Lel, 1 year ago

verify sin2theta=2tantheta/1+tansq theta
theta=30

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Answered by student555556

6

sin 2(30)=2. tan 30/1+(tan30)^2
sin 60 =2×1/sqrt3/1+1/3
sqrt3/2=2×3/sqrt3×4
therefore sqrt3/2=sqrt3/2

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