inv-trig

Related Questions

• $\tan \left( {{90}^{o}}-{{\cot }^{-1}}\frac{1}{3} \right)=$

  ---

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

  ---

• $\cot \,\,\left[ {{\cos }^{-1}}\left( \frac{7}{25} \right) \right]=$

  ---

• If $\pi \le x\le 2\pi $, then ${{\cos }^{-1}}(\cos x)$is equal to

  ---

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

  ---