Let `y=1/(2+1/(3+1/(2+1/(3+....)`, the value of y is: a. `+-sqrt(15-3)/2` b. `sqrt(15-3)/2` c. `sqrt(15+3)/2` d. None of these

Let y=1/(2+1/(1+1/(2+1/(1+1/( ))))) , then the value of y is a. (sqrt(3)-1)/2 b. 2/(sqrt(15)+3) c. (sqrt(15)+3)/2 d. 1/(sqrt(3)+1)

Let y=1/(2+1/(3+1/(2+1/(3+)))) , then the value of y is (a) (sqrt(13)+3)/2 (b) (sqrt(13)-3)/2 (c) (sqrt(15)+3)/2 (d) (sqrt(15)-3)/2

Let y=1/(2+1/(3+1/(2+1/(3+)))) , then the value of y is (a)(sqrt(13)+3)/2 (b) (sqrt(13)-3)/2 (c)(sqrt(15)+3)/2 (d) (sqrt(15)-3)/2

Let y=1/(2+1/(3+1/(2+1/(3+.....)))) the value of y is: a.    +-(sqrt(15)-3)/2 b.    (sqrt(15)-3)/2 c.    (sqrt(15)+3)/2 d.    None of these

Let y=(1)/(2+(1)/(1+(1)/(2+(1)/(2+(1)/(1+(1)/(1)))))), then the value of y is a.(sqrt(3)-1)/(2) b.(2)/(sqrt(15)+3) c.(sqrt(15)+3)/(2)d(1)/(sqrt(3)+1)

The value of sin^2 75^0-sin^2 15^0 is a. 1//2 b. sqrt(3)//2 c. 1 d. 0

The value of (1-tan^2 15^0)/(1+tan^2 15^0)= 1 b. sqrt(3) c. (sqrt(3))/2 d. 2

Given b=2,c=sqrt(3),/_A=30^(0), then inradius of o+ABC is (sqrt(3)-1)/(2) (b) (sqrt(3)+1)/(2) (c) (sqrt(3)-1)/(4) (d) none of these

The value of sin^(2)75^(@)-sin^(2)15^(0) is 1/2 b.sqrt(3)/2 c.1 d.0

The value of "tan"15^(@)+"tan"75^(@) is a) 2sqrt(3) b)2 c) 2-sqrt(3) d)4