Hi students, Welcome to **AMBiPi (Amans Maths Blogs)**. In this article, you will get * MCQ Questions for Class 10 Maths Chapter 8 Introduction to Trigonometry with Answer Keys PDF*. You can download this PDF and save it in your mobile device or laptop etc.

**MCQ Questions for Class 10 Maths Chapter 8 Trigonometry Question No 1:**

If cos (α + β) = 0, then sin (α – β) can be reduced to

**Option A** : cos β

**Option B** : cos 2β

**Option C** : sin α

**Option D** : sin 2α

**Show/Hide Answer Key**

**Option B : cos 2β**

**MCQ Questions for Class 10 Maths Chapter 8 Trigonometry Question No 2:**

Given that sin α = √3/2 and cos β = 0, then the value of of β − α is

**Option A** : 0 degree

**Option B** : 90 degree

**Option C** : 60 degree

**Option D** : 30 degree

**Show/Hide Answer Key**

**Option D : 30 Degree**

**MCQ Questions for Class 10 Maths Chapter 8 Trigonometry Question No 3:**

If cos (40° + A) = sin 30°, the value of A is:

**Option A** : 60 degree

**Option B** : 20 degree

**Option C** : 40 degree

**Option D** : 30 degree

**Show/Hide Answer Key**

**Option B : 20 degree**

**MCQ Questions for Class 10 Maths Chapter 8 Trigonometry Question No 4:**

If a triangle ABC is right angled at C , then the value of sec(A + B) is

**Option A** : 0

**Option B** : 1

**Option C** : 2/√3

**Option D** : Not Defined

**Show/Hide Answer Key**

**Option D : Not Defined**

**MCQ Questions for Class 10 Maths Chapter 8 Trigonometry Question No 5:**

If sin x + cosec x = 2, then sin^{19}x + cosec^{20}x =

**Option A** : 2^{19}

**Option B** : 2^{20}

**Option C** : 2

**Option D** : 2^{39}

**Show/Hide Answer Key**

**Option B : 2**

**MCQ Questions for Class 10 Maths Chapter 8 Trigonometry Question No 6:**

If sin θ + cos θ = √cosθ, (θ ≠ 90), then the value of tanθ is

**Option A** : √2 – 1

**Option B** : √2 + 1

**Option C** : √2

**Option D** : –√2

**Show/Hide Answer Key**

**Option A : √2 – 1**

**MCQ Questions for Class 10 Maths Chapter 8 Trigonometry Question No 7:**

If cos 9a = sin a and 9a < 90°, then the value of tan 5a is

**Option A** : 1/√3

**Option B** : √3

**Option C** : 1

**Option D** : 0

**Show/Hide Answer Key**

**Option C : 1**

**MCQ Questions for Class 10 Maths Chapter 8 Trigonometry Question No 8:**

7sin^{2}θ + 3cos^{2}θ = 4 then

**Option A** : tanθ = 1/√2

**Option B** : tanθ = 1/2

**Option C** : tanθ = 1/3

**Option D** : tanθ = 1/√3

**Show/Hide Answer Key**

**Option D : tanθ = 1/√3**

**MCQ Questions for Class 10 Maths Chapter 8 Trigonometry Question No 9:**

(1 + tanθ + secθ)(1 + cotθ – cosecθ) is equal to

**Option A** : 0

**Option B** : 1

**Option C** : 2

**Option D** : -1

**Show/Hide Answer Key**

**Option C : 2**

**MCQ Questions for Class 10 Maths Chapter 8 Trigonometry Question No 10:**

If cos A = 4/5, then the value of tan A is

**Option A** : 3/5

**Option B** : 3/4

**Option C** : 4/3

**Option D** : 5/3

**Show/Hide Answer Key**

**Option B : 3/4**

CBSE Class 10 Maths Chapterwise MCQs |
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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 |

4 : Quadratic Equations MCQ | 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 |