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12. Trigonometric Functions - 3! 3부

12. Trigonometric Functions / Integrals of Basic Trig Functions / 문제 2

문제 2

Compute ∫ cos(2x) dx.

A

sin(2x) + C

B

2 sin(2x) + C

C

-(1/2) cos(2x) + C

D

(1/2) sin(2x) + C