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" 11,सिद्ध कीजिए कि : "(sin2 theta+sin t...

" 11,सिद्ध कीजिए कि : "(sin2 theta+sin theta)/(cos2 theta+cos theta+1)=tan theta

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(sin theta+sin2 theta)/(1+cos theta+cos2 theta)=tan theta

(sin theta+sin2 theta)/(1+cos theta+cos2 theta)=tan theta

(sin theta + sin 2 theta)/( 1 + cos theta + cos 2 theta) = tan theta.

(sin theta-2sin^(3)theta)/(2cos^(3)theta-cos theta)=tan theta

(1+sin2 theta-cos2 theta)/(1+sin2 theta+cos2 theta)=tan theta

Prove that (sin theta+sin 2theta)/(1+cos theta+cos 2 theta)=tan theta

cos theta+sin theta=cos2 theta+sin2 theta

(1-sin theta)/(cos theta)-(cos theta)/(1+sin theta)=2tan theta

( sin theta - 2 sin ^ 3 theta ) / (2 cos ^ 3 theta - cos theta ) = tan theta