Calculus Examples

Evaluate the Integral integral of cos(x)^3 with respect to x
Step 1
Factor out .
Step 2
Using the Pythagorean Identity, rewrite as .
Step 3
Let . Then , so . Rewrite using and .
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Step 3.1
Let . Find .
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Step 3.1.1
Differentiate .
Step 3.1.2
The derivative of with respect to is .
Step 3.2
Rewrite the problem using and .
Step 4
Split the single integral into multiple integrals.
Step 5
Apply the constant rule.
Step 6
Since is constant with respect to , move out of the integral.
Step 7
By the Power Rule, the integral of with respect to is .
Step 8
Simplify.
Step 9
Replace all occurrences of with .