Math, asked by cbseajitgupta7943, 1 year ago

sin2A=2sinA. it is true ,what is the value of A

Answers

Answered by abhi7404
2
when A=0 then it is correct
Answered by anush1234
0
sin2A=2sin
or sin2A−2sinA=0
sinA(sinA−2)=0
but sinA≠2 because sinA lies between −1 to 1 so, sinA=0or A=0
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