Integral of 1/(1+x^2) dx?
Integral of 1/(1+x^2) dx?
Approach: Standard inverse trig integral.
arctan(x) + C.
Follow-up: Evaluate from 0 to 1.
Key concepts: arctan.
Integral of 1/(1+x^2) dx?
Approach: Standard inverse trig integral.
arctan(x) + C.
Follow-up: Evaluate from 0 to 1.
Key concepts: arctan.