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Jaldi karke do prove.... ​

Answer»

ttachment for your answer! Identities used for solving this sum :- 1 + TAN^2 θ = sec^2 θcos^2 θ + SIN^2 θ = 1Trignomentry EXTRA info :- sin (90-A) = cos A tan (90-A) = COT Asec ( 90-A) = COSEC A



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