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# Introduction to Trigonometry Class 10 Maths MCQ Questions with Answer Keys

Trigonometry MCQ Questions for Class 10 Question No 11:

If sinA = 1/2, then the value of cotA is

Option A : √3

Option B : 1/√3

Option C : √3/2

Option D : 1

Option A : √3

Trigonometry MCQ Questions for Class 10 Question No 12:

If sinθ = a/b, then the value of cosθ is

Option A : b/√(b2 – a2)

Option B : b/a

Option C : √(b2 – a2)/a

Option D : a/√(b2 – a2)

Option A : b/√(b2 – a2)

Trigonometry MCQ Questions for Class 10 Question No 13:

If sinA = 1/2 and cosB = 1/2, then the value of (A + B) is

Option A : 0 degree

Option B : 30 degree

Option C : 60 degree

Option D : 90 degree

Option D : 90 degree

Trigonometry MCQ Questions for Class 10 Question No 14:

If sinθ – cosθ = 0, then the value of (sin4θ + cos4θ) is

Option A : 1

Option B : 3/4

Option C : 1/2

Option D : 1/4

Option C : 1/2

Trigonometry MCQ Questions for Class 10 Question No 15:

If tanA = 3/4, then the value of sinAcosA is

Option A : 25/14

Option B : 25/12

Option C : 12/25

Option D : 16/25

Option C : 12/25

Trigonometry MCQ Questions for Class 10 Question No 16:

The simplification of 1 + cot2α/(1 + cosecα) is

Option A : sinα

Option B : cosecα

Option C : secα

Option D : cos2α

Option B : cosecα

Trigonometry MCQ Questions for Class 10 Question No 17:

If √3tanθ = 1, then the value of sin2θ – cos2θ is

Option A : 1/2

Option B : √3/2

Option C : 1

Option D : -1/2

Option D : -1/2

Trigonometry MCQ Questions for Class 10 Question No 18:

The value of (1 + tan2θ)(1 – sinθ)(1 + sinθ) is

Option A : 2

Option B : -1

Option C : 1

Option D : None of these

Option C : 1

Trigonometry MCQ Questions for Class 10 Question No 19:

If 2sin2θ – cos2θ = 2, then the value of θ is

Option A : 60 degree

Option B : 30 degree

Option C : 90 degree

Option D : 45 degree

Option C : 90 degree

Trigonometry MCQ Questions for Class 10 Question No 20:

If 1 + sin2θ = 3sinθcosθ, then the value of tanθ is

Option A : 1

Option B : 1/2

Option C : Both 1 and 1/2

Option D : None of these

Option C : Both 1 and 1/2

CBSE Class 10 Maths Chapterwise MCQs
1 : Real Numbers MCQ
| 1 to 10 | 11 to 20 | 21 to 30 | 31 to 40 | 41 to 50
2 : Polynomials MCQ
| 1 to 10 | 11 to 20 | 21 to 30 | 31 to 40 | 41 to 50
3 : Linear Equations MCQ
| 1 to 10 | 11 to 20 | 21 to 30 | 31 to 40 | 41 to 50
| 1 to 10 | 11 to 20 | 21 to 30 | 31 to 40 | 41 to 50
5 : Arithmetic Progression MCQ
| 1 to 10 | 11 to 20 | 21 to 30 | 31 to 40 | 41 to 50
6 : Triangles MCQ
| 1 to 10 | 11 to 20 | 21 to 30 | 31 to 40 | 41 to 50
7 : Coordinate Geometry MCQ
| 1 to 10 | 11 to 20 | 21 to 30 | 31 to 40 | 41 to 50
8 : Introduction to Trigonometry MCQ
| 1 to 10 | 11 to 20 | 21 to 30 | 31 to 40 | 41 to 50
9 : Application of Trigonometry MCQ
| 1 to 10 | 11 to 20 | 21 to 30 | 31 to 40 | 41 to 50
10 : Circles MCQ
| 1 to 10 | 11 to 20 | 21 to 30 | 31 to 40 | 41 to 50
11 : Constructions MCQ
| 1 to 10 | 11 to 20
12 : Area Related to Circles MCQ
| 1 to 10 | 11 to 20 | 21 to 30 | 31 to 40 | 41 to 50
13 : Surface Area & Volume MCQ
| 1 to 10 | 11 to 20 | 21 to 30 | 31 to 40 | 41 to 50
14 : Statistics MCQ
| 1 to 10 | 11 to 20 | 21 to 30 | 31 to 40 | 41 to 50
15 : Probability MCQ
| 1 to 10 | 11 to 20 | 21 to 30 | 31 to 40 | 41 to 50
16 : Previous Year Maths MCQs from CBSE Board Class 10
| 1 to 100
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