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TEACH YOUR SELF MATHE1-cos Asin Al +coS Asin A |
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Answer» sinA/1-cosA =1 +cosA/sinA L.H.S=sinA/1-cosA =sinA(1+cosA)/(1-cosA)(1+cosA) =sinA(1+cosA)/1-cos^2(A) =sinA(1+cosA)/sin^2(A) =1 +cosA/sinA =R.H.S |
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