NCERT Class 11 Math Trigonometric Functions Chapter 3 MCQ Question Answer for Preparation of Exams. Here we Provide Class 11 Math Question Answer, Important Questions, MCQ for Various State Boards Students like CBSE, Haryana, uttar pradesh, mp and other state students.
Also Read : – Class 11 Math NCERT Solution
NCERT Class 11 Math Chapter 3 Trigonometric Functions MCQ Question Answer Solution.
Trigonometric Functions Class 11 Math Chapter 3 MCQ Question Answer
Multiple Choice Questions and Answer for Easy to Understand the Chapter.
Class 11 Maths Chapter 3 Exercise 3.1 MCQ
1. In two circles arcs of same length subtend angles 65° and 110° at the centre. The ration of their radii are:
(A) 22 : 13
(B) 13 : 22
(C) 1 : 1
(D) none of the above.
Answer
Ans. (A) 22 : 13
2. Number of degrees in 1 radian is
(A) 57°16‘
(B) 60°16‘
(C) 63°16‘
(D) 50°16‘
Answer
Ans.(A) 57°16‘
3. Degree measures of π/2 is
(A) 90°
(B) 60°
(C) 30°
(D) 45°
Answer
Ans. (A) 90°
4. In two circles arcs of the same length subtend angles 60 and 75 at the centre. The ration of their radii are
(A) 4 : 5
(B) 5 : 4
(C) 1 : 5
(D) 5 : 1
Answer
Ans. (B) 5 : 4
5. A wheel makes 360 revolutions in one minute. Number of radians does it turn in one second are
(A) 12π
(B) 14π
(C) 8π
(D) 10π
Answer
Ans. 12π
Class 11 Maths Chapter 3 Exercise 3.2 MCQ
1. The value of sinx = 7/25 lies in second quadrant, then the value of tanx is
(A) -7/25
(B) 7/24
(C) 24/25
(D) -7/24
Answer
Ans. (D) -7/24
2. Value of cos(-1710°) is
(A) 0
(B) 1
(C) 1/2
(D) √3/2
Answer
Ans. (A) 0
3. 1 + tan²x is
(A) cosec²x
(B) cot²x
(C) sec²x
(D) 0
Answer
Ans. (C) sec²x
4. The value of 31π/3 is
(A) 0
(B) 1
(C) 1/2
(D) √3/2
Answer
Ans. (D) √3/2
5. secx = 13/5 lies in fourth quadrant, then the value of tanx be
(A) -5/12
(B) -12/5
(C) 5/13
(D) 1
Answer
Ans. (B) -12/5
Class 11 Maths Chapter 3 Exercise 3.3 MCQ
1. Which of the following is the correct form of cos2x?
(A) cos²x – sin²x
(B) 2cos²x – 1
(C) 1 – 2sin²x
(D) all of the above.
Answer
Ans. all of the above.
2. cos(π/2 + x) is
(A) tanx
(B) secx
(C) -sinx
(D) -cotx
Answer
Ans. (C) -sinx
3. sin(x+ y) + sin(x-y) is
(A) 2cosxcosy
(B) -2sinxsiny
(C) 2sinxcosy
(D) 2cosxsiny
Answer
Ans. (C) 2sinxcosy
4. Value of tan13π/12 is
(A) 2 + √3
(B) 2 – √3
(C) 0
(D) 1
Answer
Ans. (B) 2 – √3
5. sin3x is equal to
(A) 4sinx – 3sin³x
(B) 3sinx – 4sin³x
(C) 4cos³x – 3cosx
(D) none of the above.
Answer
Ans. (B) 3sinx – 4sin³x.
Class 11 Maths Chapter 3 Exercise 3.4 MCQ
1. The principal solution of the equation sinx = √3/2 is
(A) π/3
(B) 2π/3
(C) Both A and B
(D) none of the above.
Answer
Ans. (C) Both A and B
2. For any real value sinx = siny then relation between x and y is
(A) x = nπ + y
(B) x = 2nπ ± y
(C) x = nπ + (-1)ny
(D) none of the above.
Answer
Ans. (C) x = nπ + (-1)ny
3. For any real value cosx = cosy, then relation between x and y is
(A) x = nπ + y
(B) x = 2nπ ± y
(C) x = nπ + (-1)ny
(D) none of the above.
Answer
Ans. (B) x = 2nπ ± y
4. For any real value tanx = tany where x and y are odd multiple of π/2 . Then relation between x and y is
(A) x = nπ + y
(B) x = 2nπ ± y
(C) x = nπ + (-1)ny
(D) none of the above.
Answer
Ans. (C) x = nπ + (-1)ny
5. Value of sinx in equation 2cos³x + 3sinx = 0 is
(A) 0
(B) 1
(C) √3/2
(D) -½
Answer
Ans. (D) -½