Use any method to evaluate the integrals. Most will require trigonometric substitutions, but some can be evaluated by other methods.
Step 1 of 5</p>
Here, we are asked to evaluate the given integral by using any method.
Step 2 of 5</p>
The given expression can be written as
Let us substitute
Therefore, we have .
Thus, the equation (1) becomes
Step 3 of 5</p>
Now, in equation (2), let us substitute .
Thus, equation (2) becomes ……(3)
We know that . Therefore, (3) becomes