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