Trig Ratios

30°, 45° and 60°

45°, 45°, 90° 

When you work with trig and radians, π means the same as 180° because 2π radians is a full circle 360°

Trig Ratios for positive multiples of

30°, 45° and 60°

Negative Multiples of 30°, 60° and 45° trig ratios 



Reduction Formulae