proove this gimme full solution please
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1-cos^2= sin^2
therefore sin^2/ sin^2 =1
therefore sin^2/ sin^2 =1
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1-cos^2theta/sin^2theta
=sin^2 theta/sin^2theta
(1-cos^2theta=sin^2theta)
=1
=sin^2 theta/sin^2theta
(1-cos^2theta=sin^2theta)
=1
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