inv-trig

Related Questions

• $\tan \left[ {{\sec }^{-1}}\sqrt{1+{{x}^{2}}} \right]=$

  ---

• $\sin \left( 4{{\tan }^{-1}}\frac{1}{3} \right)=$

  ---

• ${{\cos }^{-1}}\frac{1}{2}+2{{\sin }^{-1}}\frac{1}{2}$is equal to

  ---

• If ${{\tan }^{-1}}\frac{x-1}{x+1}+{{\tan }^{-1}}\frac{2x-1}{2x+1}={{\tan }^{-1}}\frac{23}{36},$then $x =$

  ---

• ${{\tan }^{-1}}\left( \frac{1}{11} \right)+{{\tan }^{-1}}\left( \frac{2}{12} \right)=$

  ---