" (2) "(1)/(cos(x-a)cos(x-b))

Prove that: (1)/(cos(x-a)cos(x-b))=(tan(x-b)-tan(x-a))/(sin(a-b))

Evaluate: int(1)/(cos(x-a)cos(x-b))dx

Integrate the functions (1)/(cos(x-a)cos(x-b))

Compute the following integrals: int(1)/(cos(x-a) cos (x-b))dx

Find the indefinite integral int(1)/(cos(x-a)cos(x-b))dx

Evaluate the integerals. int (1)/(cos (x-a) cos (x-b))dx on I sub R\\ ({ a +((2n +1)pi )/(2): n in Z}uu{b+ ((2n +1))/(2)pi : n in Z}).

int(1)/(cos(x+a)cos(x+b))dx