Math, asked by prasanth1112, 8 months ago

(sin12A/sin4A)-(cos12A/cos4A)​

Answers

Answered by kavita2251592
7

@=thita

we know that

Sin(A-B)=SinACosB-CosAsinB

Sin 2@=2Sin@cis@

2((Sin12A.Cos4A-Cos 12A.Sin4A)/(2Sin4A.cos4A))

2Sin(12A-4A)/(Sin8A)=2Sin8A/Sin8A

answer=2

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