prove that cos^-1(4/5)+sin^-1(3/√34)=tan^-1(27/11)prove that cos^-1(4/5)+sin^-1(3/√34)=tan^-1(27/11)prove that cos^-1(4/5)+sin^-1(3/√34)=tan^-1(27/11)prove that cos^-1(4/5)+sin^-1(3/√34)=tan^-1(27/11)
prove that cos^-1(4/5)+sin^-1(3/√34)=tan^-1(27/11)
prove that cos^-1(4/5)+sin^-1(3/√34)=tan^-1(27/11)prove that cos^-1(4/5)+sin^-1(3/√34)=tan^-1(27/11)prove that cos^-1(4/5)+sin^-1(3/√34)=tan^-1(27/11)