Inactive Tutor answered • 05/14/18
Tutor
New to Wyzant
cot (x - π/2)
(cos (x - π/2)) / (sin (x - π/2))
-sin x / cos x
-tan x
Roseanne N.
asked • 05/14/18verify the identity cot(x-pi/2)=-tanx
precalculus
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