Trigonometric Functions MCQ Questions for Class 11 Math’s Chapter 3 with Answers

Its our pleasure to assist you towards your goal .for inbuilt quality question with standard solution may help you a lot .Class 11 Mathematics book Chapter 3 Trigonometric Functions with Answers Pdf free download .This may assist you to understand and check your knowledge about the chapters . MCQ question and solution may help you to get better performance in exam .These MCQ Questions are selected supported by the newest exam pattern as announced by CBSE.


MCQ Questions for Class 11 Mathematics Chapter wise with Answers


Q1. If cos a + 2cos b + cos c = 2 then a, b, c are in

(i) 2b = a + c
(ii) b² = a × c
(iii) a = b = c
(iv) None of these

(i) 2b = a + c


Q2. The value of tan A/2 – cot A/2 + 2cot A is

(i) 0
(ii) 1
(iii) -1
(iv) None of these

(i) 0


Q3. If x > 0 then the value of f(x) = -3 × cos√(3 + x + x²) lie in the interval

(i) [-1, 1]
(ii) [-2, 2]
(iii) [-3, 3]
(iv) None of these

(iii) [-3, 3]


Q4. If a×cos x + b × cos x = c, then the value of (a × sin x – b²cos x)² is

(i) a² + b² + c²
(ii) a² – b² – c²
(iii) a² – b² + c²
(iv) a² + b² – c²

(iv) a² + b² – c²


Q5. Let cos (α + β)= 4/5 and sin (α – β) = 5/13 where 0 ,≤ α,β ≤Π/4 Then tan 2α =

(i) 56/33
(ii) 19/12
(iii) 20/7
(iv) 25/16

(i) 56/33


Q6. What is the value of (sin 22.1/2+ cos 22.1/2)4?)

(i) 3+2√2 /2
(ii) 1+2√2 /2
(iii) 3√2 +2
(iv) 1

(i) 3+2√2 /2


Q7. If 3 × tan(x – 15) = tan(x + 15), then the value of x is

(i) 30
(ii) 45
(iii) 60
(iv) 90

(ii) 45


Q8. The value of 4 × sin x × sin(x + π/3) × sin(x + 2π/3) is

(i) sin x
(ii) sin 2x
(iii) sin 3x
(iv) sin 4x

(iii) sin 3x


Q9. The equation (cos p – 1) x² + cos p × x + sin p = 0, where x is a variable, has real roots. Then the interval of p may be any one of the following:

(i) (0, π)
(ii) (−π/2, π/2)
(iii) (0, π)
(iv) (−π, 0)

(i) (0, π)


Q10. If cos a + 2cos b + cos c = 2 then a, b, c are in

(i) 2b = a + c
(ii) b² = a × c
(iii) a = b = c
(iv) None of these

(i) 2b = a + c


Q11. If tanΘ 1/2 and tanφ 1/3 then the value of Θ + φ is

(i) Π/6
(ii) Π
(iii) 0
(iv) Π/4

(iv) Π/4


Q12. The value of cos² 48° – sin²12° is

(i) √5 + 1/8
(ii) √5 – 1/8
(iii) √5 + 1/5
(iv) √5 + 1/2/√2

(i) √5 + 1/8


Q13. The perimeter of a triangle ABC is 6 times the arithmetic mean of the sines of its angles. If the side b is 2, then the angle B is

(i) 30°
(ii) 90°
(iii) 60°
(iv) 120°

(ii) 90°


Q14. If tan x = (cos 9 + sin 9)/(cos 9 – sin 9), then x =

(i) 45
(ii) 54
(iii) 36
(iv) None of these

(ii) 54


Q15. In any triangle ABC, if cos A/a = cos B/b = cos C/c and the side a = 2, then the area of the triangle is

(i) √3
(ii) √3/4
(iii) √3/2
(iv) 1/√3

(i) √3


We hope the given NCERT MCQ Questions for Class 11 Mathematics book Chapter 3 Trigonometric Functions with Answers PDF Free Download solution will definitely help you to achieve perfect score. If you have any queries related to CBSE Class 11 Mathematics book Chapter 2 Relations and Functions with Answers book MCQs Multiple Choice Questions with Answers, drop your questions below and will get back to you in no time.


MCQ Questions for Class 11 Mathematics Chapter wise with Answers


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