Math, asked by King9997, 1 year ago

if 2sinA -1=0,show that sin3A=3sinA-4sin(cube)A

Answers

Answered by Tapash05
7
sinA=1/2 so A=30° put value of A and prove LHS =RHS
Answered by sgwaeutraav
49
hey friend,
here's your answer,
hope it helps you.....!!
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