How do I integrate cos^2(x)? Please help me with this and include explanations so I can understand it.© BrainMass Inc. brainmass.com February 24, 2021, 2:09 pm ad1c9bdddf
See the attached solution file.
To handle , first use the trig identity . This step does not involve any calculus; we are simply using a trigonometric transformation to put the problem into a form that can be integrated.
Now factor the division by 2 out of ...
The steps for integrating cos^2(x) are shown with explanations.