` a^0` is equal to
a) 0
b) 1
c) -1
d) a

The value of "tan"(sin^(-1)("cos"(sin^(-1)x)))"tan"(cos^(-1)(sin(cos^(-1)x))),w h e r ex in (0,1), is equal to (a) 0 (b) 1 (c) -1 (d) none of these

(sin8^0dotsin 52^0dotsin 68^0)/(sin 24^0) is equal to (a) 1 (b) 2 (c) -1 (d) 1/4

sin(tan^(-1)99 + cot^(-1)99) is equal to a) 0 b) -1 c) 1/2 d) 1

(1/5)^0 is equal to (a)0 (b) 1/5 (c) \ 1 (d) 5

tan100^0+tan125^0+tan100^0tan125^0 is equal to 0 (b) 1/2 (c) -1 (d) 1

If A and B are two matrices such that A B=A and B A=B , then B^2 is equal to (a) B (b) A (c) 1 (d) 0

If f(x)=(x+1)^(cotx) be continuous at x=0, the f(0) is equal to (a) 0 (b) 1/e (c) e (d) none of these

tan^(-1)(1/(11))+tan^(-1)(2/(11)) is equal to (a) 0 (b) 1//2 (c) -1 (d) none of these

(2^-1+3^-1+5^-1)^0 is equals to: a) 2 b) 3 c)5 d)1

The value of sin 50^(0)-sin 70^0+sin 10^0 is equal to a. 0 b. 1 c. 2 d. 1//2