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What does sec 2pi equal?

1 Answer

Aug 12, 2015

#sec(2pi)=1#

Explanation:

#sec(theta) = 1/cos(theta)#
#color(white)("XXXXXXXX")#(provided #cos(theta)!= 0#)

#cos(2pi) = 1#
#color(white)("XXXX")##rArr##color(white)("XXXX")##sec(2pi) = 1/1 = 1#

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