CBSE Class 10 Answered
sin theta / 1+cos theta + sin theta / 1-cos theta equals what?
Asked by | 22 Jul, 2012, 10:01: PM
Expert Answer
sin A/ 1+cosA + sin A/ 1-cosA
= sinA(1-cosA) + sinA(1+ cosA)/1-cos2A
= 2 sinA/sin2A
= 2 cosec A
Answered by | 22 Jul, 2012, 10:09: PM
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