7sin4x sin8x

Integrate the functions sin4x sin8x

Integrate the following functions: sin 4x sin8x

int sin4x sin8xdx

Prove that: cos^2 2x-cos^2 6x= sin4x sin8x

Prove that cos^2 2x-cos^2 6x=sin4x sin8x

Prove that: cos^(2)2x-cos^(2)6x=sin4x sin8x

sin 4x sin 8x

sin 4x sin 8x

Prove that: cosec xdotcosec2xdot sin4xdotcos6xdotcos e c 10 x=(cos3x)/(sin2x\ sin4x)+(cos5x)/(sin4x\ sin6x)+(cos7x)/(sin6x\ sin8x)+(cos9x)/(sin8x\ sin10 x)

Prove that (cos3x)/(sin2x sin4x)+(cos5x)/(sin4x sin6x)+(cos7x)/(sin6x sin8x)+(cos9x)/(sin8x sin10x)=(1)/(2)(cos ecx)[cos ec2x-cos ec10x]