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# Introduction to Trigonometry CBSE Class 10 MCQ Questions with Answers Keys

Hi students, Welcome to AMBiPi (Amans Maths Blogs). In this article, you will get Introduction to Trigonometry CBSE Class 10 MCQ Questions with Answer Keys. You can download this PDF and save it in your mobile device or laptop etc.

Trigonometry CBSE Class 10 MCQ Question No 41:

If cosecθ – cotθ = 1/2, 0 < θ < π/2, then the value of cosθ is equal to

Option A : 5/3

Option B : 3/5

Option C : -3/5

Option D : -5/3

Option B : 3/5

Trigonometry CBSE Class 10 MCQ Question No 42:

If btanθ = a, then the value of (asinθ – bcosθ)/(asinθ + bcosθ) is

Option A : (a – b)/(a2 + b2)

Option B : (a + b)/(a2 + b2)

Option C : (a2 + b2)/(a2 – b2)

Option D : (a2 – b2)/(a2 + b2)

Option D : (a2 – b2)/(a2 + b2)

Trigonometry CBSE Class 10 MCQ Question No 43:

The value of tan2θsin2θ is equal to

Option A : tan2θ – sin2θ

Option B : tan2θ + sin2θ

Option C : tan2θ/sin2θ

Option D : sin2θcot2θ

Option A : tan2θ – sin2θ

Trigonometry CBSE Class 10 MCQ Question No 44:

If (x/a)cosθ + (y/b)sinθ = 1 and (x/a)sinθ – (y/b)cosθ = 1, then the value of

Option A : x2 + y2 = a2 + b2

Option B : x2/a2 + y2/b2 = 2

Option C : a2x2 + b2y2 = 1

Option D : None of these

Option B : x2/a2 + y2/b2 = 2

Trigonometry CBSE Class 10 MCQ Question No 45:

If 5cotθ = 3, then the value of (5sinθ – 3cosθ)/(4sinθ + 3cosθ) is equal to

Option A : 11/18

Option B : 16/19

Option C : 14/27

Option D : None of these

Option D : None of these

Trigonometry CBSE Class 10 MCQ Question No 46:

If sinθ = 1/2 and θ is acute, then the value of (3cosθ – 4cos3θ) is

Option A : 0

Option B : 1/2

Option C : 1/6

Option D : -1

Option A : 0

Trigonometry CBSE Class 10 MCQ Question No 47:

If θ is an acute and cos2θ/(cot2θ – cos2θ) = 3, then the value of θ is equal to

Option A : 60 degree

Option B : 30 degree

Option C : 90 degree

Option D : None of these

Option A : 60 degree

Trigonometry CBSE Class 10 MCQ Question No 48:

The value of (cosecθ – sinθ)(secθ – cosθ)(tanθ + cotθ) is equal to

Option A : 0

Option B : 1

Option C : -1

Option D : None of these

Option B : 1

Trigonometry CBSE Class 10 MCQ Question No 49:

If cosecθ = x + 1/4x, then the value of cosecθ + cotθ is

Option A : 2x

Option B : -2x

Option C : 2/x

Option D : -1/2x

Option A : 2x

Trigonometry CBSE Class 10 MCQ Question No 50:

The value of (cotθ – cosecθ)2 is equal to

Option A : (1 + cosθ)/(1 – cosθ)

Option B : cos2θ/(1 + cosθ)

Option C : sin2θ/(1 + cosθ)

Option D(1 – cosθ)/(1 + cosθ)

Option D : (1 – cosθ)/(1 + cosθ)

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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