Question

Which of the following functions has period $\sin 2x$.

• A. $= \frac{2\pi}{|2|} = \pi.2\pi$
• B. $\sin\left( \frac{2x}{3} \right)$
• C. $= \frac{2\pi}{2/3} = 3\pi$
• D. None of these

Answer 1

Answer: (C)

$= \frac{2\pi}{2/3} = 3\pi$

Answer 2

The period of the function in option (1) is 2.

The period of the function in option (2) is 24.

The period of the function in option (3) is $2 \pi$ .