1 . Π3/4.Π3/4

• A. Π1/2
• B. Π1/3
• C. Π2/3
• D. Π3/2

Answer: Option D

Explanation:

2 . x=6.0sin2πt+π3

• A. 1 s
• B. 2π s
• C. 1.5 s
• D. 0.5 s

Answer: Option A

Explanation:

3 . sinπ3-sin-1-12

• A. 1/2
• B. 1/3
• C. -1
• D. 1

Answer: Option D

Explanation:

4 . ArgZ=π3

• A. $\frac{\pi }{3}$
• B. $\frac{5\pi }{3}$
• C. $\frac{\pi }{6}$
• D. $\frac{4\pi }{3}$

Answer: Option B

Explanation:

5 . π3

• A. $\frac{\mathrm{\pi }}{3}$
• B. $\frac{5\mathrm{\pi }}{6}$
• C. $\frac{\mathrm{\pi }}{6}$
• D. $\frac{4\mathrm{\pi }}{6}$

Answer: Option B

Explanation: