Lesson 27- Special Angles

Equilateral Triangle:

30°, 60°, 90°      1: (square root)3: 2

Iscolese Triangle:

45°, 45°, 90 ° 

	0°	30°	45°	60°	90°	120°	135°	150°
CosѲ	√2/3	√3/2	√2/2	√1/2	√0/2	-√1/2	-√2/2	-3/2
SinѲ	√0/2	1/2	√2/2	√3/2	√1/2	√3/2	√2/2	√0/√2
TanѲ	0	√3/1	1	√3/1	Ø	-√3	-1	-√3/3