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

Which of the following is/are a rational number? sin(tan^(-1)3+tan^(-1)(2/3)) cos(pi/2-sin^(-1)(3/4)) (log)_2("sin"(1/4)sin^(-1)(63/8)] tan(1/2cos^(-1)(sqrt(5)/3))

Which of the following is/are a rational number? sin(tan^(-1)3+tan^(-1)(2/3)) cos(pi/2-sin^(-1)(3/4)) (log)_2("sin"(1/4)sin^(-1)(63/8)] tan(1/2cos^(-1)(sqrt(5)/3))

Which of the following is/are a rational number? sin(tan^(-1)3+tan^(-1)(1/3)) cos(pi/2-sin^(-1)(3/4)) (log)_2("sin"1/4sin^(-1)(63/8)] tan(1/2cos^(-1)(sqrt(5)/3))

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

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

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

Evaluate: i) sin{pi/3-sin^(-1)(-1/2)} ii) sin(1/2cos^(-1)4/5) iii) sin(cot^(-1)x) iv) tan1/2(cos^(-1)sqrt(5)/3)

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

Evaluate: tan{1/2cos^(-1)(sqrt5/3)}

Evaluate: tan{1/2cos^(-1)(sqrt5/3)}