Math, asked by saptadipghosh9854, 9 months ago

(iii) sin 2A = 2 sin A ​

Answers

Answered by dassristi2016
0

sin2A=2sinA

2sinA.cosA-2sinA =0

2sinA(cosA-1)=0

either 2sinA=0

sinA=0

sinA=sin0°

A= 0°

or cosA -1=0

cosA=1

cosA=cos 0°

A=0° , Answer

Answered by anju7699
0

sin2A = 2sinAcosA

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