CBSE Class 12 Mathematics 2026 Main Paper 65/3/2 · Q11 Marksinverse_trig_derivatives
CBSE Class 12 Mathematics 2026 Main Paper 65/3/2 · Question 1 (Continuity And Differentiability)
If y=arctan x, find dy/dx.
✅ Step-by-Step Solution
Final Answer: cos²y
- Differentiate x=tan y to get 1=sec²y·y′, giving y′=cos²y.
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