Establish the identity sec x - cos x= sin x tam x

Q: ·S Evaluate cos x sin³ x dx. + C

A: To evaluate the following integral.

Q: simplify sin x-1/cos x - cos x /sin x-1

A: The given expression is

Q: Verify the identity sec-1 x = cos-1(1/x), for x ≠ 0.

A: According to the question, we have to verify the identity sec-1x=cos-11x. As the above function is…

Q: Evaluate sin r e de. cos

A:

Q: Verify identity cos2 x - sin2 x = 2 cos2 x - 1.

A: cos2x -sin2x=2cos2x-1

Q: Differentiate  cosx/x

A: The given function is f(x) =(cosx)/x       = x-1.cosx

Q: Verify the identity: cos x/(1 - sin x) + (1 - sin x)/cos x = 2 sec x

A: The given identity is cosx1-sinx+1-sinxcosx=2secx

Q: 1 + csc x cotx + coS X TRUE for all values of x? = sec x

A:

Q: cosx+1=sinx

A: