" (if) "sin(x)/(2)

The equation 2sin((x)/(2))*cos^(2)x+sin^(2)x=2sin((x)/(2))sin^(2)x+cos^(2)x has a root for which

The equation 2 sin""(x)/(2) cos^(2)x-2 sin""(x)/(2) sin^(2) x =cos^(2)x-sin^(2)x has a root for which the false statement is

The equation 2 sin""(x)/(2) cos^(2)x-2 sin""(x)/(2) sin^(2) x =cos^(2)x-sin^(2)x has a root for which the false statement is

sin x + sin2x + sin3x + ... + sin nx = (sin ((n + 1) / (2)) x (sin (nx)) / (2)) / (sin ((x) / (2)) )

Solve 1+sin x sin^(2)(x)/(2)=0

The number of solution x of the equation sin (x+x^(2))- sin(x^(2))= sin x in the interval [2,3] is

int(sin((5x)/2))/(sin((x)/(2))) dx is euqal to (A) x + 2 sin x + sin 2x +C (B) x +2 cos x + sin 2x +C (C) x - 2sin x + sin 2x +C (D) x + 2 sin x - sin 2x + C

int_(6)^(8)(sin x^(2)dx)/(sin x^(2)+sin(x-14)^(2))=

((1) / ((sec x) ^ (2) - (cos x) ^ (2)) + (1) / ((cos ecx) ^ (2) - (sin x) ^ (2))) ( cos x) ^ (2) (sin x) ^ (2) = (1- (cos x) ^ (2) (sin x) ^ (2)) / (2+ (cos x) ^ (2) (sin x) ^ (2))