ICSE Class 10 Trigonometry MCQ New

## ICSE Class 10 Trigonometry MCQ New Pattern

ICSE Class 10 Trigonometry MCQ By Clarify Knowledge

## Best Reference Books For Class 10 ICSE

Best Reference Books For Class 10 ICSE Physics Is OSWAL GURUKUL

## ICSE Class 10 All Subject MCQ

### ICSE Class 10 Trigonometry MCQ HERE

1. The value of cos 0°. cos 1°. cos 2°. cos 3°… cos 89° cos 90° is
(a) 1
(b) -1
(c) 0
(d) 12√

2. If x tan 45° sin 30° = cos 30° tan 30°, then x is equal to
(a) √3
(b) 12
(c) 12√
(d) 1

3. If x and y are complementary angles, then
(a) sin x = sin y
(b) tan x = tan y
(c) cos x = cos y
(d) sec x = cosec yAnswer

4. sin 2B = 2 sin B is true when B is equal to
(a) 90°
(b) 60°
(c) 30°

5. If A, B and C are interior angles of a ΔABC then cos(B+C2) is equal to

6. If A and (2A – 45°) are acute angles such that sin A = cos (2A – 45°), then tan A is equal to
(a) 0
(b) 13√
(c) 1
(d) √3

7. If y sin 45° cos 45° = tan2 45° – cos2 30°, then y = …
(a) –12
(b) 12
(c) -2
(d) 2

8. If sin θ + sin² θ = 1, then cos² θ + cos4 θ = ..
(a) -1
(b) 0
(c) 1
(d) 2

9. 5 tan² A – 5 sec² A + 1 is equal to
(a) 6
(6) -5
(c) 1
(d) -4

10. If sec A + tan A = x, then sec A =

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