1.

Simplifyi) (sin 2theta)/(1+cos 2 theta) ii) (3 cos theta+cos3theta)/(3sintheta-sin3theta) iii) (sintheta+sin2 theta)/(1+costheta+cos 2theta)

Answer»


ANSWER :i) `tantheta`
ii) `COT^(3)THETA`
iii)`tantheta`


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