inv-trig

Related Questions

• If ${{({{\tan }^{-1}}x)}^{2}}+{{({{\cot }^{-1}}x)}^{2}}=\frac{5{{\pi }^{2}}}{8},$then $x$ equals

  ---

• If $2{{\tan }^{-1}}(\cos x)={{\tan }^{-1}}(2\text{cosec }x),$ then x =

  ---

• The value of $\tan \left( {{\tan }^{-1}}\frac{1}{2}-{{\tan }^{-1}}\frac{1}{3} \right)$is

  ---

• If ${{\tan }^{-1}}x+{{\tan }^{-1}}y=\frac{\pi }{4}$ then

  ---

• ${{\cot }^{-1}}\frac{3}{4}+{{\sin }^{-1}}\frac{5}{13}=$

  ---