History, asked by prer1, 1 year ago

sin theta upon 1 + cos theta + 1 + cos theta upon sin theta equals to 2 cosec

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Answered by mdfaizkhan

5

right...............ans

Attachments:

prer1: please can u explain the third step it is not clear to me.... please

mdfaizkhan: sin© =2 sin © by 2.cos©by 2

mdfaizkhan: if u any problem so please reply ok

prer1: okk. thanks

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