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" (v) "sin^(3)x...

" (v) "sin^(3)x

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sin^(3)x +sin^(3)(x-(2pi)/3) +sin^(3)(x+(2pi)/3)=0

If the equation cos 3 x cos^(3) x + sin 3 x sin^(3) x =0 , then x is equal to

If the equation cos 3 x cos^(3) x + sin 3 x sin^(3) x =0 , then x is equal to

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If x in (0, (pi)/(2)) " then " int sqrt([(sin x - sin^(3) x)/(1 + sin^(3) x) ]) dx =

int_(pi//6)^(pi//3) (sin^(3) x)/(sin^(3) x + cos^(3) x) dx=

cos3xcos^(3)x + sin3x sin^(3)x=0

Prove that sin3x + sin ^ (3) (2 (pi) / (3) + x) + sin ^ (3) (4 (pi) / (3) + x) = - (3) / (4) sin3x

int_(0)^((pi)/(2))(sin^(3)x)/(sin^(3)x+cos^(3)x)dx