Math, asked by kritikakhadgi, 4 months ago

sin 2A=2 sin A cos A

Answers

Answered by nniharika123456

4

hey mate please complete the question

Answered by gdnchowdary

2

Answer:

prove that sin2A=2 sin A cos A

LHS=Sin2A

sin2A=sin(A+A)

sin(A+A)=sinAcosA+sinAcosA

=>2sinAcosA

∴Sin2A=2sinAcosA

Hence proved

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