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Introduction to Trigonometry CBSE Class 10 MCQ Questions with Answers Keys

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

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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)

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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

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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

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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

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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

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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

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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

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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

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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)

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Option D : (1 – cosθ)/(1 + cosθ)

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