The six trigonometric functions in terms of a right triangle are as follows: sinΘ = $opposite/hypotenuse$ cosΘ = $adjacent/hypotenuse$ tanΘ = $opposite/adjacent$ cscΘ = $hypotenuse/opposite$ secΘ = $hypotenuse/adjacent$ cotΘ = $adjacent/opposite$
Work Step by Step
The trig functions sinΘ, cosΘ, and tanΘ are reciprocals of cscΘ, secΘ, and cotΘ respectively. The terms opposite, hypotenuse, and adjacent are defined as: opposite - The side of the triangle opposite from the theta symbol (Θ). adjacent - The side of the triangle next to the theta symbol (Θ). hypotenuse - The side of the triangle opposite of the right angle.