Compute cot(π/3) and sec(π/2).

cot(π/3) = √3 and sec(π/2) = 1.

cot(π/3) = 1/√3 and sec(π/2) = 0.

cot(π/3) = 3/√3 and sec(π/2) is undefined.

cot(π/3) = √3/3 and sec(π/2) is undefined.