MCQs for Class 11 Maths Chapter 3, Trigonometric Functions, are provided here to help students prepare well and score high marks in the 2024-2025 board exams. These questions include objective-type problems with correct answers and explanations. Practicing these multiple-choice questions will allow you to cover a range of topics from Chapter 3 of Class 11 Maths effectively.
MCQs for Chapter 3 Trigonometric Functions Class 11 with Answers
- What is the value of sin(0°)?
- A) 0
- B) 1
- C) -1
- D) Undefined
Answer: A) 0
- What is the value of cos(90°)?
- A) 0
- B) 1
- C) -1
- D) Undefined
Answer: A) 0
- The ratio of sin(θ) to cos(θ) is called:
- A) Tangent
- B) Cotangent
- C) Sine
- D) Cosine
Answer: A) Tangent
- Which of the following is the correct trigonometric identity?
- A) sin²θ + cos²θ = 1
- B) sin²θ + cos²θ = 0
- C) sin²θ – cos²θ = 1
- D) sin²θ + tan²θ = 1
Answer: A) sin²θ + cos²θ = 1
- What is the value of tan(45°)?
- A) 0
- B) 1
- C) -1
- D) Undefined
Answer: B) 1
- What is the range of sin(θ)?
- A) [0, 1]
- B) [-1, 1]
- C) [0, ∞]
- D) [-∞, ∞]
Answer: B) [-1, 1]
- What is the value of cos(0°)?
- A) 0
- B) 1
- C) -1
- D) Undefined
Answer: B) 1
- What is the value of sec(90°)?
- A) 1
- B) 0
- C) Undefined
- D) -1
Answer: C) Undefined
- The value of cos(θ) when θ = 180° is:
- A) 1
- B) 0
- C) -1
- D) Undefined
Answer: C) -1
- Which of these is an identity?
- A) sin(θ) = cos(θ)
- B) sec(θ) = 1/cos(θ)
- C) cot(θ) = 1/sin(θ)
- D) All of the above
Answer: B) sec(θ) = 1/cos(θ)
- What is the value of tan(0°)?
- A) 1
- B) 0
- C) Undefined
- D) -1
Answer: B) 0
- What is the reciprocal of sin(θ)?
- A) cos(θ)
- B) sec(θ)
- C) csc(θ)
- D) tan(θ)
Answer: C) csc(θ)
- Which of the following is the value of tan(30°)?
- A) 1/√3
- B) √3
- C) 1
- D) 0
Answer: A) 1/√3
- What is the value of sec(0°)?
- A) 1
- B) 0
- C) Undefined
- D) -1
Answer: A) 1
- The trigonometric function sin(θ) is:
- A) Even
- B) Odd
- C) Undefined
- D) Neither
Answer: B) Odd
- The value of cos(60°) is:
- A) 0
- B) 1/2
- C) √3/2
- D) 1
Answer: B) 1/2
- What is the value of sin(90°)?
- A) 1
- B) 0
- C) -1
- D) Undefined
Answer: A) 1
- What is the value of tan(60°)?
- A) √3
- B) 1
- C) 0
- D) 1/√3
Answer: A) √3
- Which trigonometric function is the reciprocal of cot(θ)?
- A) tan(θ)
- B) sin(θ)
- C) sec(θ)
- D) csc(θ)
Answer: A) tan(θ)
- What is the period of sin(θ)?
- A) 360°
- B) 180°
- C) 90°
- D) 720°
Answer: A) 360°
- What is the value of tan(0)?
- A) 0
- B) 1
- C) Undefined
- D) -1
Answer: A) 0
- Which of the following is an odd function?
- A) sin(θ)
- B) cos(θ)
- C) sec(θ)
- D) csc(θ)
Answer: A) sin(θ)
- What is the value of sec(60°)?
- A) 2
- B) √3/2
- C) 1/2
- D) √2
Answer: A) 2
- What is the value of sin(30°)?
- A) 1/2
- B) √3/2
- C) 0
- D) 1
Answer: A) 1/2
- What is the value of cos(45°)?
- A) 1/√2
- B) √2
- C) 1
- D) 0
Answer: A) 1/√2
- The value of sin(θ) is 0 when θ is:
- A) 0°
- B) 180°
- C) 90°
- D) Both A and B
Answer: D) Both A and B
- What is the range of cos(θ)?
- A) [-1, 1]
- B) [0, 1]
- C) [-∞, ∞]
- D) [0, ∞]
Answer: A) [-1, 1]
- What is the value of sec(45°)?
- A) √2
- B) 1/√2
- C) 2
- D) 1
Answer: A) √2
- Which of the following is correct for cos(θ)?
- A) Even function
- B) Odd function
- C) Neither even nor odd
- D) Both
Answer: A) Even function
