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. The value of sin 50° – sin 70° + sin 10° is equal to

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2 / 10

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

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3 / 10

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

-2

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4 / 10

4. 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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5 / 10

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

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6 / 10

6. If A lies in the second quadrant and 3 tan A + 4 = 0, then the value of (2 cot A – 5 cos A + sin A) is equal to

22/10

37/10

32/10

23/10

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7 / 10

7. The value of cos 1° cos 2° cos 3° … cos 179° is

1/√2

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8 / 10

8. 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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9 / 10

9. 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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10 / 10

10. 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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