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CBSE Class 12 Mathematics 2026 Main Paper 65/1/1 · Q11 Marksinverse_trigonometric_functions

CBSE Class 12 Mathematics 2026 Main Paper 65/1/1 · Question 1 (Inverse Trigonometric Functions)

If 2 cos⁻¹ x = y, then

✅ Step-by-Step Solution

Final Answer: (C) 0 ≤ y ≤ 2π
  1. cos⁻¹ x ∈ [0, π], so 2 cos⁻¹ x ∈ [0, 2π].

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All Questions in CBSE Class 12 Mathematics 2026 Main Paper 65/1/1

Q1Q2Q3Q4Q5Q6Q7Q8Q9Q10Q11Q12Q13Q14Q15Q16Q17Q18Q19Q20Q21Q22Q23Q24Q25Q26Q27Q28Q29Q30Q31Q32Q33Q34Q35Q36Q37Q38

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