Question

integration of
sin3x
Cos ^2xdx​

Answer 1

Answer:

/= ÷

1. sin3x

let t= 3x

dx/dt= 3

dx= dt/3

putting the value dx

integration sign sintdt/3

-cos3x/3

2. cos ^2xdx

2cos^2x sin^2 x/2

cos^2x sin^2