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