Question

What does sec 2pi equal?

Answer 1

`sec(2pi)=1`

Explanation:

`sec(theta) = 1/cos(theta)`
`color(white)("XXXXXXXX")`(provided `cos(theta)!= 0`)

`cos(2pi) = 1`
`color(white)("XXXX")` `rArr` `color(white)("XXXX")` `sec(2pi) = 1/1 = 1`