Prove that

Asked by  | 15th Apr, 2008, 09:24: PM

Expert Answer:

     

L.H.S:

sin A / (1+cos A) =-sinA(1-cosA) /1-cos2A.... Multiplying Dr And Nr by 1-cosA

                              =sinA(1-cosA)/sin2A

                          cancelling SinA from Dr and Nr...we get

                              =  1-cosA/ sinA

Answered by  | 16th Apr, 2008, 12:57: PM

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