prove sin2A = 2sinA cosA
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sin 2A=sin (A+A)
we know that sin (A+B)=2sinAcosB
sin (A+A)=2sinAcosA
sin2A=2sinAcosA
we know that sin (A+B)=2sinAcosB
sin (A+A)=2sinAcosA
sin2A=2sinAcosA
Answered by
1
u see in book there is good prove in ncert book
i hope it help
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i hope it help
plzzz mark me brainliest
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