tan[(1)/(2)cos^(-1)((sqrt(5))/(3))]=

The value of tan[(1)/(2)cos^(-1)((sqrt5)/(3))] is

tan[1/2cos^(-1)((sqrt(5))/3)]=

Which of the following is not a rational number. a. sin (tan^(-1) 3 + tan^(-1).(1)/(3)) b. cos ((pi)/(2) - sin^(-1).(3)/(4)) c. tan ((1)/(2) cos^(-1).(sqrt5)/(3))

tan((1)/(2).cos^(-1).(2)/(sqrt(5)))=

tan((1)/(2).cos^(-1).(2)/(sqrt(5)))=

The value of tan(1/2 cos^(-1)(2/(sqrt(5)))) is

(1) 4(tan^(-1)(1)/(3)+cos^(-1)(2)/(sqrt(5)))

Evaluate: tan{(2tan^(-1)(1/5)-pi/4} (ii) tan{1/2cos^(-1)(sqrt(5)/3)}