show that root 1+Sina/1-sina=seca+tana
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Answered by
5
Step-by-step explanation:
√1+sina/1-sina
=√(1+sina)²/1-sin²a
=√(1+sina)²/cos²a
=1+sina/cosa
=seca+tana
Answered by
7
Answer:
the solution is here. taking the LHS
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