Math, asked by Mokshagnamoksha, 1 year ago

prove that sinA(sin π/3-A)sin(π/3+A)=1/4sin3A hence find (sin20)(sin40)(sin60)(sin80)

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Answered by UdayKiran248
11
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Answered by mooladeepthu9
3

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this ur answer hope it's helpful and follow me and Mark as brilliant student

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