`8 cot^2A-8 cosec^2A` is equal to
a) 8
b) `1/8`
c) `-8`
d) -`1/8`

8cot ^(2) A-8 cosec ^(2)A is equal to

8cot ^(2) A-8 cosec ^(2)A is equal to

Find 1.8×8 is equal to

((-1)/2)^5*\ ((-1)/2)^3 is equal to (a) ((-1)/2)^8 (b) -\ (1/2)^8 (c) (1/4)^8 (d) (-1/2)^(15)

If f : R to R is defined by f (x) = x ^(2) - 6x - 14, then f ^(-1) (2) equals to : a) {2,8} b) {-2,8} c) {-2,-8} d) {2,-8}

If A and B are two independent events such that P(A cup B) = 0.8 and P(A) = 0.3 then P(B) is equal to: a) 2/3 b) 5/7 c) 1/8 d) 3/8

((-1)/5)^5x\ ((-1)/2)^3 is equal to ((-1)/2)^8 (b) -\ (1/2)^8 (c) (1/4)^8 (d) (-1/2)^(15)

Cube of (-1)/2i s (a) 1/8 (b) 1/(16) (c) -1/8 (d) (-1)/(16)

The value of sin^(2)""(pi)/(8) + sin^(2)""(3pi)/(8) + sin^(2)""(5pi)/(8) + sin^(2) ""(7pi)/(8) is equal to a) (1)/(8) b) (1)/(4) c) (1)/(2) d)2

If in a A B C , =a^2-(b-c)^2, then tanA is equal to 15//16 b. 8//15 c.8//17 d. 1//2