How do you evaluate the expression #cot45#?

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Answer 1 · 2016-10-07T15:44:22

#cot45˚ = 1#

#cottheta = 1/tantheta #

#cot45˚= 1/tan45˚#

We use the #45-45-90# special triangle to find the value of #tan45˚#.

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#tantheta = "opposite"/"adjacent" = 1/1 = 1#

#cot45˚ = 1/tan45˚ = 1/1 = 1#

Hopefully this helps!