The following diagram show how to use SOHCAHTOA for a right triangle.
How to identify the Opposite Sides, Adjacent Sides and Hypotenuse of a Right Triangle?
Definition of Cos, Sin, Tan, Csc, Sec, Cot for the right triangle
sin x = opposite/hypotenuse
cos x = adjacent/hypotenuse
tan x = opposite/adjacent
csc x = 1/sin x = hypotenuse/opposite
sec x = 1/cos x = hypotenuse/adjacent
cot x = 1/tan x = adjacent/opposite
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