Tangent
Hypotenuse/Adjacent
1
Opposite/Hypotenuse
Adjacent/Hypotenuse
√3
Unit Circle
sin(30°)
Hypotenuse
sec(θ)
Cosine
tan(45°)
sin(225)
-√2 /2
cos(60°)
tan(60°)
Longest SIde of a Triangle
Circle with a radius of 1
1/2
Opposite/Adjacent
0.5
Sine
