sin ^2 theta/cos theta - sec theta + Cos theta = 0
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Step-by-step explanation:
sin ^2 theta/cos theta - sec theta + Cos theta
=(sin theta/cos theta)sin theta -(1/cos theta) + Cos theta
=(tan theta)(sin theta)+(-1+cos^2theta)/cos theta
=(1/sin theta)(sin theta)+(-sin^2theta)/cos theta
=1-(tan theta)(sin theta)
=1-1
=0
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