Question

whats the exact value of sec (pi/2)

Answer 1

sec(pi/2) =1/ coz (pi/2) humm so it might be infinite or - infinite
lets draw it and see

Answer 2

since sec is the inverse of cos, you could rewrite the equation as (1/cos) (pi/2)

Answer 3

yes its infinity

Answer 4

cos at pi/2 is 0, and 1/0 is 0 so the absolute value is 0.

Answer 5

naaa meg its not 0

Answer 6

Its undefined

Answer 7

http://mathworld.wolfram.com/TrigonometryAnglesPi2.html

Answer 8

its infinite

Answer 9

yes it is

Answer 10

oh yeah @ikram002p you're right, sorry i'm used to writing it as 0 but youre right it would actually be postive infinity.

Answer 11

well me more sry :O
it turns out it undefined