Question #56859

Question

Question #56859

1 Answer

Impact of this question

1158 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2016-10-11T14:18:25

-2

Explanation:

Use Trig Table and unit circle:
#sec ((22pi)/3) = 1/(cos)#
First, find #cos ((22pi)/3)#
#cos ((22pi)/3) = cos [(-2pi/3) + ((24pi)/3)] =#
#= cos ((-2pi/3) + 4(2pi)) = cos ((-2pi)/3) = cos ((2pi)/3) = -1/2#
Finally,
#sec ((22pi)/3) = 1/(cos) = -2#

Science

Math

Humanities

... and beyond

Question #56859

1 Answer

Explanation:

Related questions

Impact of this question