Question: hello could you help me with these 2 problems of integral calculus are problems of the topic of integrating trigonometric functions raised to powers. Solve

hello could you help me with these 2 problems of integral calculus are problems of the topic of integrating trigonometric functions raised to powers.
Solve the following power integrals of trigonometric functions.

Cos xax 3. Sen 2x Cos* 2xdx
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