Trigonometry. Prove that (1+sina-cosa/1+sina+cosa)^2=1-cosa/1+cosa. Trigonometry important questions @AviJainClasses

Uploaded March 2019 | Updated September 2026, 2 weeks ago

Trigonometry important questions class 10
Prove that (1+sina-cosa/1+sina+cosa)^2=1-cosa/1+cosa
Prove that (1+sintheta-costheta/1+sintheta+costheta)^2=1-costheta/1+costheta
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If sec theta+tan theta=p show that p^2-1/p^2+1=sin theta
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