# MCQs of Trigonometry

By Prof. Fazal Rehman Shamil

## MCQs of Trigonometry

Let’s begin with some most important MCs of Trigonometry.

1. What is the value of 240° when it is converted into radians?
A. p/4
B. p/6
C. 4p/3
D. 3p/4

C

2. 1 + tan²2? is equal to?
A. csc²2?
B. sec²2?
C. sec²?
D. csc²?

B

3. Cos²2? is equal to?
A. 1 + sin²?
B. 1 – sin²?
C. 1 – sin?
D. None of these

A

4. Csc²?/2-cot²?/2 is equal to?
A. 0
B. 1
C. -1
D. All of these

C

5. Sec²?-tan²? is equal to?
-1
sec²2?
0
1

B

6. 1 + cot²2? is equal to?
A. sec²2?
B. csc²2?
C. csc²?
D. sec²?

D

7. Sec²? is equal to?
A. 1 – tan²?
B. 1 – cos²?
C. 1 + tan²?
D. All of these

C

8. Cos²?/2 is equal to?
A. 1 – sin²?
B. 1 – sin²?/2
C. sec²2?
D. csc²2?

B

9. 16°40’38? is equal to?
A. 16°
B. 17°
C. 60038?
D. None of these

C

10. In case of Cosine Rule of any triangle ABC, c² =?
A. a² – b² + 2ab sin A
B. a² + b² + 2ab cos A
C. a² + b² – 2ab cos C
D. c² + a² + 2ac cos C Prof.Fazal Rehman Shamil (Available for Professional Discussions)