CBSE Class 12 Mathematics 2026 Main Paper 65/5/2 · Q101 Markstrigonometric_integrals
CBSE Class 12 Mathematics 2026 Main Paper 65/5/2 · Question 10 (Integrals)
Find \(\int\sqrt{(1-\cos2x)/(1+\cos2x)}\,dx\) on an interval where tan x>0.
✅ Step-by-Step Solution
Final Answer: ln |sec x|+C
- The integrand is |tan x|. On the specified interval it is tan x, with primitive ln |sec x|. Where tan x<0, use ln |cos x| instead.
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