Ma4covi9ctorikachoa Ma4covi9ctorikachoa

05-09-2016
Mathematics

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Find value of: cot^-1 (4)
(inverse of cotangent). Give the reason of using cosine to evaluate.

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Hussain514 Hussain514

14-09-2016

Cot x = cos x / sin x
or Cot x = 1/ tan x
Given:
Cot x = 4
Tan x = 1/4
x = 14.03 degrees

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