Approximate $\tan ^ { - 1 } ( 3 )$. Round your answer to four decimal places.
A) $1.2490$
B) $0.3463$
C) $- 0.1425$
D) $0.8006$
E) $- 7.0153$

Question

Quizplus · Accepted Answer

We know that $	an ^ { - 1 } ( x )$ gives the angle whose tangent is $x$. Therefore, $	an ^ { - 1 } ( 3 )$ gives the angle whose tangent is $3$. Using a calculator, we find that this angle is approximately $1.2490$ (in radians). Therefore, the answer is A.

Approximate tan⁡−1(3)\tan ^ { - 1 } ( 3 )tan−1(3) Round Your Answer to Four Decimal Places

Approximate $\tan ^ { - 1 } ( 3 )$ Round Your Answer to Four Decimal Places