# Trigonometric Functions MCQ Questions And Answers - Mathematics Class 11

Trigonometric Functions MCQs : This section focuses on the "Trigonometric Functions" in Mathematics Class 11. These Multiple Choice Questions (MCQs) should be practiced to improve the Mathematics Class 11 skills required for various exams, interviews (campus interview, walk-in interview, company interview), placements, entrance exam and other competitive examinations.

Question 1

Trigonometric functions are also known as a ?

A. Tangent Functions
B. Cosecant Functions
C. Cotangent Functions
D. Circular Functions

Question 2

The basic trigonometric functions are sine, cosine, tangent, cotangent, secant and cosecant.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

Question 3

________ of an angle is the ratio between the opposite side length to that of the hypotenuse.

A. Cos Function
B. Tan Function
C. Sine function
D. None of the above

Question 4

Sec a equal to?

A. 1/(sin a)
B. 1/(cos a)
C. 1/(tan a)
D. All of the above

Question 5

Which of the following are odd functions?

A. tan
B. sin
C. cot
D. All of the above

Question 6

The smallest periodic cycle is ?

A. π
B. 3π
C. 2π
D. 4π

Question 7

If cos a + 2cos b + cos c = 2 then a, b, c are in

A. 2b = a + c
B. b^2 = a × c
C. a = b = c
D. None of the above

Question 8

The value of cos 5π is

A. 0
B. 1
C. -1
D. None of the above

Question 9

In a triangle ABC, cosec A (sin B cos C + cos B sin C) equals

A. c/a
B. 1
C. a/c
D. None of the above