prove sinA/1+cosA=cosec -cotA
abhishekmahto100:
hi
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sinA/1+cosA= cosec-cotA
LHS= sinA/1+cosA×1-cosA/1-cosA
sinA(1-cosA)/1-cos^²A
we know that 1-cos^²= sin^²A
so sinA(1-cosA)/sin^²
1-cosA/sinA
1/sinA-cos/sinA
cosec-cotA
hope it help you
LHS= sinA/1+cosA×1-cosA/1-cosA
sinA(1-cosA)/1-cos^²A
we know that 1-cos^²= sin^²A
so sinA(1-cosA)/sin^²
1-cosA/sinA
1/sinA-cos/sinA
cosec-cotA
hope it help you
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0
Answer:
Step-by-step explanation:G
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