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(sin3theta+cos3theta)/(costheta-sintheta...

`(sin3theta+cos3theta)/(costheta-sintheta)=1+2xxsin2theta`

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(sin3theta-cos3theta)/(sintheta+costheta)+1 =

(3costheta+cos3theta)/(3sintheta-sin3theta)=

costheta-cos2theta=sin3theta

(sintheta+sin2theta)/(1+costheta+cos2theta)

(sintheta+sin2theta)/(1+costheta+cos2theta)

The value of (sin^3theta+cos^3theta)/(sintheta+costheta) +sin theta cos theta is:

(sintheta+sin2theta)/(1+costheta+cos2theta) =

(sintheta+sin2theta)/(1+costheta+cos2theta)=?

(sintheta+sin 2theta)/(1+costheta+cos2theta)=

Prove that (sin 3theta-sintheta)/(costheta-cos3 theta)=cot2 theta