roda8nitaD0enee roda8nitaD0enee

02-09-2016
Mathematics

contestada

Find the exact value of sec(-pi/3).

Respuesta :

HomertheGenius HomertheGenius

07-09-2016

sec x = 1 / cos x
cos (- π / 3 ) = 1/2
1/ cos (-π/3 ) = 1 / 1/2 = 1 : 1/2 = 2

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epleysj epleysj

17-04-2021

Answer:

-2

Step-by-step explanation:

just checking if it is negative. The expert said 2, but I thought it would be negative. Can someone explain why it isn't negative?

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