1.

TL.H.S. =RHSelaveProve that aI + sio 0tsineto eco + to

Answer»

√1-sina/1+sina√(1-sina)(1+sina)x√(1-sina)/(1-sina)√(1-sina)²/(1-sin²a)√(1-sina)²/cos²a(1-sina)/cos(1-cosa-sina/cosa)seca-tena.



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