arctan(1)
You asked:
Evaluate the expression: \(\arctan\left( 1 \right)\)
MathBot Answer:
\[\arctan\left( 1 \right) = \frac{\pi}{4} \approx 0.78539816339744830961566084581988\]
\[\begin{aligned}\arctan\left( 1 \right)& = \arctan{\left(1 \right)}\\& = \frac{\pi}{4}\end{aligned}\]