Math, asked by Dreamer25, 1 year ago

solve this sin2A = 2sinA. find the value of "A"

Answers

Answered by Ragib11

4

Given
sin2A=2sinA

we know that sin2A=2sinA.cosA

sin2A=2sinA .1
sin2A=2sinA .cos 0° = sin2A=2sinA.cosA

cos 0° = cos A
A=0°

Answered by AnnieRochelle

5

sin2A=2sinA
2sinAcosA=2sinA
cosA=1
A=0

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