MCQ Questions | Class 10 Maths Chapter 8 | Introduction to Trigonometry with Answers

MCQ | Introduction to Trigonometry Class 10 | Sat A

Check the below NCERT MCQ Questions for Class 10 Maths Chapter 8 Introduction to Trigonometry with Answers Pdf free download. MCQ Questions for Class 10 Maths with Answers were prepared based on the latest exam pattern. We have Provided Introduction to Trigonometry Class 10 Maths MCQs Questions with Answers to help students understand the concept very well.

Objective Question | NCERT Maths Class 10

NCERT Solutions Class 10 Maths
Book:	National Council of Educational Research and Training (NCERT)
Board:	Central Board of Secondary Education (CBSE)
Class:	10th
Subject:	Maths
Chapter:	8
Chapters Name:	Introduction to Trigonometry
Medium:	English

Ncert Solutions for Class 10 Maths | Objective Type Questions

You can refer to NCERT Solutions for Class 10 Maths Chapter 8 Introduction to Trigonometry to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

Introduction to Trigonometry | Class 10 Maths | NCERT Solutions

Q1.	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 y

Ans: sec x = cosec y

Q2.	sin 2B = 2 sin B is true when B is equal to
	A. 90°
	B. 60°
	C. 30°
	D. 0°

Ans: 0°

Q3.	If ΔABC is right angled at C, then the value of cos (A + B) is
	A. 0
	B. 1
	C. 1/2
	D. √3/2

Ans: 0

Q4.	If sin θ + sin² θ = 1, then cos² θ + cos4 θ = ____
	A. -1
	B. 0
	C. 1
	D. 2

Ans: 1

Q5.	The value of cos 0°. cos 1°. cos 2°. cos 3°… cos 89° cos 90° is
	A. 1
	B. -1
	C. 0
	D. \(\frac{1}{\sqrt{2}}\)

Ans: 1

Q6.	If x tan 45° sin 30° = cos 30° tan 30°, then x is equal to
	A. √3
	B. \(\frac{1}{2}\)
	C. \(\frac{1}{\sqrt{2}}\)
	D. 1

Ans: 1

Q7.	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 y

Ans: sec x = cosec y

Q8.	If x = a cos 0 and y = b sin 0, then b²x² + a²y² =
	A. ab
	B. b² + a²
	C. a²b²
	D. a⁴b⁴

Ans: a²b²

Q9.	If cos A + cos² A = 1, then sin² A + sin⁴ A is
	A. -1
	B. 0
	C. 1
	D. 2

Ans: 1

Q10.	The value of cos θ cos(90° - θ) – sin θ sin (90° - θ) is:
	A. 1
	B. 0
	C. -1
	D. 2

Ans: 0

Q11.	If tan 2A = cot (A – 18°), then the value of A is
	A. 24°
	B. 18°
	C. 27°
	D. 36°

Ans: 36°

Q12.	If tan θ = 12/5, then 1+sinθ/1-sinθ is equal to
	A. 24
	B. 12/13
	C. 25
	D. 9

Ans: 25

Q13.	If sin θ − cos θ = 0, vthen the value of θ is
	A. 90°
	B. 30°
	C. 45°
	D. 60°

Ans: 45°

Q14.	Ratios of sides of a right triangle with respect to its acute angles are known as
	A. trigonometric identities
	B. trigonometry
	C. trigonometric ratios of the angles
	D. none of these

Ans: trigonometric ratios of the angles

Q15.	Out of the following options, the two angles that are together classified as complementary angles are
	A. 120° and 60°
	B. 50° and 30°
	C. 65° and 25°
	D. 70° and 30°

Ans: 65° and 25°

Q16.	(1 + tanθ + secθ) (1 + cotθ - cosecθ) is equal to
	A. 0
	B. 1
	C. 2
	D. -1

Ans: 2

Q17.	If √3tanθ = 3sinθ, then the value of sin²θ−cos²θ is
	A. 0
	B. 1
	C. 1/2
	D. 1/3

Ans: 1/3

Q18.	sin 2B = 2 sin B is true when B is equal to
	A. 90°
	B. 60°
	C. 30°
	D. 0°

Ans: °

Q19.	If A and (2A – 45°) are acute angles such that sin A = cos (2A – 45°), then tan A is equal to
	A. 0
	B. \(\frac{1}{\sqrt{3}}\)
	C. 1
	D. √3

Ans: 1

Q20.	If y sin 45° cos 45° = tan2 45° – cos2 30°, then y = …
	A. –\(\frac{1}{2}\)
	B. \(\frac{1}{2}\)
	C. -2
	D. 2

Ans: \(\frac{1}{2}\)

CBSE Solutions | Ncert Solutions Maths Class 10

NCERT Solutions | 10th Maths Guide

NCERT | Class 10 Maths Solution

Ncert Solutions for Class 10 Maths

MCQ Questions | Class 10 Maths Chapter 8

MCQ Questions | Class 10 Maths Chapter 8 | Introduction to Trigonometry with Answers

MCQ | Introduction to Trigonometry Class 10 | Sat A

Objective Question | NCERT Maths Class 10

Ncert Solutions for Class 10 Maths | Objective Type Questions

Introduction to Trigonometry | Class 10 Maths | NCERT Solutions

CBSE Solutions | Ncert Solutions Maths Class 10

NCERT Solutions | 10th Maths Guide

NCERT | Class 10 Maths Solution

Ncert Solutions for Class 10 Maths

Ncert Solutions for Class 10 Maths Chapter 1

Ncert Solutions for Class 10 Maths Chapter 2

Ncert Solutions for Class 10 Maths Chapter 3

Ncert Solutions for Class 10 Maths Chapter 4

Ncert Solutions for Class 10 Maths Chapter 5

Ncert Solutions for Class 10 Maths Chapter 6

Ncert Solutions for Class 10 Maths Chapter 7

Ncert Solutions for Class 10 Maths Chapter 8

Ncert Solutions for Class 10 Maths Chapter 9

Ncert Solutions for Class 10 Maths Chapter 10

Ncert Solutions for Class 10 Maths Chapter 11

Ncert Solutions for Class 10 Maths Chapter 12

Ncert Solutions for Class 10 Maths Chapter 13

Ncert Solutions for Class 10 Maths Chapter 14

Ncert Solutions for Class 10 Maths Chapter 15

NCERT SOLUTIONS

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