sinA by 1 + cosA is equals to cosecA - cotA
Answers
Answered by
4
Step-by-step explanation:
sinA/1+cosA
=sinA(1-cosA)/(1+cosA)(1-cosA)
=sinA(1-cosA)/1-cos²A
=sinA(1-cosA)/sin²A
=(1-cosA)/sinA
=cosecA-cotA
Answered by
11
sinA/(1 + cosA) =cosecA - cotA
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