Class 12 Integrals · Conceptual Answer1 Marksdefinite_integration
Class 12 Maths · Integrals · Conceptual Answer #136
Evaluate \(\int_0^{\pi/4}\tan x\,dx\).
✅ Step-by-Step Solution
Final Answer: (ln2)/2
- A primitive is −ln|cos x|. Evaluate −ln(1/√2)+ln1=(ln2)/2.
- Therefore the integral equals (ln2)/2.
📋 CBSE Stepwise Marking Scheme
- [0.5 marks] A primitive is −ln|cos x|. Evaluate −ln(1/√2)+ln1=(ln2)/2.
- [0.5 marks] Therefore the integral equals (ln2)/2.
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