Sina/1-cosa+tana/1+cosa=cosa +seca*cosec a
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Answer:
ur ans hope helpfull
Step-by-step explanation:
SinA/(1+CosA)=SinA(1-CosA)/1-Cos^2 A
=SinA(1-CosA)/Sin^2 A
=(1-CosA)/SinA
=CosecA-CotA
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