(1 + sin
A)/(1 - sin
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Step-by-step explanation:
so:-
√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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