How do you find the exact value of $sec((3pi)/2)$ ?

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Answer 1 · 2017-01-25T03:40:10

$oo$

Since $2pi$ means $360^o$ means $0^o$ , subtract $2pi$ from $(3pi)/2$ . Thus $sec ((3pi)/2)$

= $sec ((3pi)/2-2pi) = sec (-pi/2)= sec (pi/2) = 1/(cos(pi/2)$

$= 1/0 = oo$

How do you find the exact value of sec((3pi)/2)sec((3pi)/2)?