inv-trig

Question: If ${{\cos }^{-1}}\left( \frac{1}{x} \right)= \theta $, then $\tan \theta =$

1) $\frac{1}{\sqrt{{{x}^{2}}-1}}$

2) $\sqrt{{{x}^{2}}+1}$

3) $\sqrt{1-{{x}^{2}}}$

4) $\sqrt{{{x}^{2}}-1}$

Solution:

Explanation: No Explanation

Inverse trigonometric functions

Rate this question:

★ ★ ★ ★ ★

Average rating: (0 votes)