Board Exam Practice MCQs – Inverse Trigonometry
Board Exam Practice MCQs – Inverse Trigonometry
Class: CBSE Class 12 Mathematics
Subject: Mathematics
Section: Inverse Trigonometric Functions
Topic: Board Exam Practice MCQs – Inverse Trigonometry
Board: CBSE Board Examinations
Subject: Mathematics
Section: Inverse Trigonometric Functions
Topic: Board Exam Practice MCQs – Inverse Trigonometry
Board: CBSE Board Examinations
Instructions: These Multiple Choice Questions (MCQs) are designed strictly as per the NCERT syllabus, making them ideal for CBSE Class 12 Board Examination standard practice.
Q1. Domain of sin⁻¹x is:
Answer: B
Explanation: Inverse sine defined only where sine values exist.
Explanation: Inverse sine defined only where sine values exist.
Q2. Range of cos⁻¹x is:
Answer: A
Explanation: Principal cosine inverse interval.
Explanation: Principal cosine inverse interval.
Q3. tan⁻¹(√3) =
Answer: B
Explanation: tan π/3 = √3.
Explanation: tan π/3 = √3.
Q4. sin(sin⁻¹x) =
Answer: A
Explanation: Function cancels inverse.
Explanation: Function cancels inverse.
Q5. cos⁻¹(−1) =
Answer: C
Explanation: Cosine minimum principal value.
Explanation: Cosine minimum principal value.
Q6. sin⁻¹x + cos⁻¹x =
Answer: A
Explanation: Standard identity.
Explanation: Standard identity.
Q7. tan(tan⁻¹x) =
Answer: A
Explanation: Direct inverse identity.
Explanation: Direct inverse identity.
Q8. sin⁻¹(1/2) =
Answer: A
Explanation: sin π/6 = 1/2.
Explanation: sin π/6 = 1/2.
Q9. cos⁻¹(1/2) =
Answer: A
Explanation: cos π/3 = 1/2.
Explanation: cos π/3 = 1/2.
Q10. tan⁻¹(1) =
Answer: B
Explanation: tan π/4 = 1.
Explanation: tan π/4 = 1.
Q11. Range of tan⁻¹x:
Answer: A
Explanation: Principal tangent inverse range.
Explanation: Principal tangent inverse range.
Q12. sin⁻¹(−1) =
Answer: A
Explanation: Lower bound principal value.
Explanation: Lower bound principal value.
Q13. cos⁻¹(1) =
Answer: A
Explanation: cos 0 = 1.
Explanation: cos 0 = 1.
Q14. cot⁻¹(1) =
Answer: A
Explanation: cot π/4 = 1.
Explanation: cot π/4 = 1.
Q15. sin⁻¹x graph lies between:
Answer: A
Explanation: Principal branch limits.
Explanation: Principal branch limits.
Q16. Inverse trig functions are:
Answer: B
Explanation: Defined on restricted domains.
Explanation: Defined on restricted domains.
Q17. cos(cos⁻¹x) =
Answer: A
Explanation: Direct inverse identity.
Explanation: Direct inverse identity.
Q18. tan⁻¹(0) =
Answer: A
Explanation: tan 0 = 0.
Explanation: tan 0 = 0.
Q19. sin⁻¹(1) =
Answer: B
Explanation: Maximum principal value.
Explanation: Maximum principal value.
Q20. Inverse trig principal values ensure:
Answer: D
Explanation: Domain restriction ensures inverse definition.
Explanation: Domain restriction ensures inverse definition.