Integration of trigonometric function cosec x

We found the integral of the given function by using a formula. if the given function is, a ratio form such that the numerator is the derivative of the denominator, then apply the formula and get the solution.This an easy trick for integration.#indefiniteintegral , #calculus , #mathematics , # integration trick, #ernakulam , #integral of cosecx, #mathsclassbyjoju, #jojuxavier