solve this sin2A = 2sinA. find the value of "A"
Answers
Answered by
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°
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
5
sin2A=2sinA
2sinAcosA=2sinA
cosA=1
A=0
2sinAcosA=2sinA
cosA=1
A=0
Similar questions