inv-trig

Related Questions

• ${{\cot }^{-1}}3+\text{cose}{{\text{c}}^{-1}}\sqrt{5}$=

  ---

• ${{\cos }^{-1}}\left( \frac{3+5\cos x}{5+3\cos x} \right)$ is equal to

  ---

• ${{\cos }^{-1}}\left( \frac{15}{17} \right)+2{{\tan }^{-1}}\left( \frac{1}{5} \right)=$

  ---

• ${{\tan }^{-1}}\left( \frac{x}{y} \right)-{{\tan }^{-1}}\,\left( \frac{x-y}{x+y} \right)$ is

  ---

• $\sin \left\{ {{\tan }^{-1}}\left( \frac{1-{{x}^{2}}}{2x} \right)+{{\cos }^{-1}}\left( \frac{1-{{x}^{2}}}{1+{{x}^{2}}} \right) \right\}$is equal to

  ---