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sin3x=3sin x-4sin^(3)x...

sin3x=3sin x-4sin^(3)x

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Prove that : sin3x=3sinx-4sin^(3)x

Prove that: sin3x=3sinx-4sin^3x

Show that sin 3 x=3 sin x-4 sin ^(3) x

y=sin^(-1)(3sin x-4sin^(3)x)" ,then "(dy)/(dx) at x= (sqrt(3))/(2) is

sin4x=4sin x cos^(3)x-4cos x sin^(3)x

Solve sin^(2)x+(1)/(4)sin^(2)3x=sin x sin^(2)3x

lim_(x rarr0)(3sin x-4sin^(3)x)/(x)

From the identity "sin" 3x = 3 "sin"x - 4"sin"^(3)x it follows that if x is real and |x| lt 1 , then

From the identity "sin" 3x = 3 "sin"x - 4"sin"^(3)x it follows that if x is real and |x| lt 1 , then