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Grade: 10 
        (sin theta-cos theta/sin theta+cos theta)+(sin theta+cos theta/sin theta-cos theta)=2/sin^2 theta-1
10 months ago

Answers : (1)

Shashank Singh
askIITians Faculty
57 Points 
							(sin theta – cos theta)^2 + (sin theta + cos theta)^2/ (sin^2theta-cos^2theta)
= 2(sin^2theta+cos^2theta)/2sin^2theta-1
= 2/(2sin^2theta-1)...........    [ans]
10 months ago
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