Prove that : sin ^2 theta/cos theta+ cos theta =sec theta.
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by taking LCM
sin^2theta+cos^2theta/costheta
=(sin^2theta+cos^2theta=1)
=1/costheta
=sectheta
=RHS
sin^2theta+cos^2theta/costheta
=(sin^2theta+cos^2theta=1)
=1/costheta
=sectheta
=RHS
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