If the value of the expression `tan((1)/(2)cos^(-1).(2)/(sqrt5))` is in the form of `a+sqrtb` where `a, b in Z`, then the value of `(a+b)/(b)` is

Find the value of expression: sin(2tan^(-1)1/3)+cos(tan^(-1)2sqrt(2))

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

Find the value of expression: sin(2tan^(-1)(1/3))+cos(tan^(-1)2sqrt(2))

Find the value of expression: sin(2tan^(-1)(1/3))+cos(tan^(-1)2sqrt(2))

The value of tan[(1)/(2)cos^(-1)((sqrt(5))/(3))] is :

If sqrt(9+sqrt48-sqrt32-sqrt24)=sqrta-sqrtb+2 ,where a,b inN , then find the value of a + b.

If the value of x satisfying the equation sin^(-1)sqrt(1-x^2)=tan^(-1)sqrt(2/x-1) is a/b (where a&b are coprime), then the value of a^2+b^2 is a. 7 b. 5 c. 3 d. 1

For which nonnegative value of b is the expression (1)/(2-b^(2)) undefined?

The value of expression tan^(- 1)((sqrt(2))/2)+sin^(- 1)((sqrt(5))/5)-cos^(- 1)((sqrt(10))/10)

If the expression (-3 I ^(2) + 2i )/(2 +i) is written in the form a + bi, where a and b are real numbers and I = sqrt-1, what is the value of a ?