CBSE Class 12-science Answered
Prove that
Asked by | 15 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 | 16 Apr, 2008, 12:57: PM
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