sin2x = 2 cosx. sinx
proof that
don't snap.......
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Answered by
1
Answer:
LHS;
sin2x=sin(x+x)
=sinx cosx+ cosx sinx
[sin(A+B) =sinAcosB+cosAsinB]
=2sinx cosx
Hence, LHS=RHS
Answered by
1
Answer:
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