If `x=sqrt(1+sqrt(1+sqrt(1+sqrt(1+ .oo))))` , then the value of x is (A) `(sqrt7+1)/2` (B) `(sqrt6+1)/2` (C) `(sqrt3+1)/2` (D) `(sqrt5+1)/2`

If x=sqrt(1+sqrt(3)/(2))-sqrt(1-sqrt(3)/(2)) , then the value of (sqrt(2)-x)/(sqrt(2)+x) will be closet to :

The minimum values of sin x + cos x is a) sqrt2 b) -sqrt2 c) (1)/(sqrt2) d) - (1)/(sqrt2)

The value of sin 60 is: A. sqrt 1//2 B. sqrt 3//2 C. 1//sqrt 2 D. sqrt""1//sqrt""2

If 2x = sqrt(a) - (1)/(sqrt(a)) , then the value of (sqrt(x^(2) + 1))/(x + sqrt(x^(2) +1)) is

If tan^(-1)2x+tan^(-1)3x=(pi)/(2) , then the value of x is equal to a) (1)/(sqrt(6)) b) (1)/(6) c) (1)/(sqrt(3)) d) (1)/(sqrt(2))

Find the value of sqrt((1)/(2)sqrt((1)/(2)sqrt((1)/(2)sqrt((1)/(2)......cdots oo))))

If x = sqrt3/2 then find the value of (sqrt(1+x) - sqrt(1-x))/(sqrt(1+x) + sqrt(1-x))

The value of cos^(2)48^(@)-sin^(2)12^(@) is ........... A) (sqrt5-1)/( 4) B) (sqrt5+1)/(8) C) (sqrt3-1)/(4) D) (sqrt3+1)/(2sqrt2)

[ If N=(sqrt(sqrt(5)+2)+sqrt(sqrt(5)-2))/(sqrt(sqrt(5)+1))-sqrt(3-2sqrt(2)) then N equals [ (A) 1, (B) 2sqrt(2)-1 (C) (sqrt(5))/(2), (D) (2)/(sqrt(sqrt(5)+1))]]