11th Math Trigonometric Functions MCQ Chapter Quiz: Check knowledge with instant result

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Time: 10 Minutes for 10 Question.

11th Math: Trigonometric Functions

1 / 10

1. If tan A = 1/2 and tan B = 1/3, then the value of A + B is

π/6

π/4

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2 / 10

2. If for real values of x, cos θ = x + (1/x), then

θ is an acute angle

No value of θ is possible

θ is an obtuse angle

θ is right angle

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3 / 10

3. If the arcs of the same lengths in two circles subtend angles 65°and 110° at the centre, find the ratio of their radii.

r₁ : r₂ = 22 : 15.

r₁ : r₂ = 22 : 14.

r₁ : r₂ = 21 : 13.

r₁ : r₂ = 22 : 13.

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4 / 10

4. The value of sin (45° + θ) – cos (45° – θ) is

2 cosθ

2 sinθ

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5 / 10

5. Find the radius of the circle in which a central angle of 60° intercepts an arc of length 37.4 cm ( π = 22/7)

47.7

35.7

25.7

21.7

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6 / 10

6. The value of tan 1° tan 2° tan 3° … tan 89° is

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7 / 10

7. The minute hand of a watch is 1.5 cm long. How far does its tip move in 40 minutes? (Use π = 3.14).

5.27

4.28

6.28

7.28

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8 / 10

8. If α + β = π/4, then the value of (1 + tan α) (1 + tan β) is

-2

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9 / 10

9. Number of solutions of the equation tan x + sec x = 2 cos x lying in the interval [0, 2π] is

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10 / 10

10. If sin θ and cos θ are the roots of ax² – bx + c = 0, then the relation between a, b and c will be

a² – b² + 2ac = 0

a² + b² + 2ac = 0

a² + c² + 2ab = 0

a² – b² – 2ac = 0

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