How 2 Sin4x. 2cos^2x=4cos^2x.sin4x??
Answers!
Hello Shebin
2 sin 4x . (2 cos2 x) = 2 × 2 × (sin 4x) (cos2 x)
= 4 sin 4x cos2 x
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Answer the question...
Hello Shebin
2 sin 4x . (2 cos2 x) = 2 × 2 × (sin 4x) (cos2 x)
= 4 sin 4x cos2 x
Comment