Prove that: sin 0 - cos sin 0 + cos...
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Prove that: sin 0 - cos sin 0 + cose sin 0 + cos sin 0 - cos 2 2 sin? 0-1

11th - 12th Class
Maths
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94
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& ( (sin theta-cos theta)^{2}+(8 n theta+cos theta)^{2} ) [ begin{array}{l}(sin theta-cos theta)(sin theta+cos theta) =(1-sin 2 theta)+(1+sin 2 theta) =sin ^{2} theta-cos ^{2} thetaend{array} ] ( =frac{2}{sin ^{2} theta-1+sin ^{2} theta}=frac{2}{2 sin ^{2} theta-1} )
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