Question

What is the sec^2 (pi/3)?

Answer 1

`sec^2(pi/3) = 4`

Explanation:

`sec(pi/3) = 1/cos(pi/3)`

`color(white)("XXXX")= 1/(1/2) = 2`

`sec^2(pi/3) = 2^2 = 4`

Answer 2

`sec^2` `pi/3` = 1/ [`cos^2` `pi/3` ] = 1/`(1/2) ^2` = 4

Explanation:

cos`pi/3` =1/2