Trigonometry Cheat Sheet: Degrees to Radians and Key Formulas

4.1 4.4 Cheat Sheet (2pt) 10 rad degrees 2. degree -> rad 180 1R T 180 ex) 62 - 7 ex) - 300° (.62.180) 3 -57 35.529 = 3 (1pt) 3. coterminal 22 ex) 700° ex) add/subtract 2x, 4R,67, etc. 22.67 BII 700-360° = 340% 3+3 = 3 700-720° = -20° 27 3 WD = 45 3 (3p+) 40 through (-23) find CSC (V13) = 3V13 ex) (-2)+(3)2=(x)2 Sin 0=513 (VT3) 13 CSCO 513 - 3 4+9=x2 -2 (513) = -2V13 cos o= 513 (513) 13 seco = V 13 NEW z -2 x=513 tane = -3/2 -2 cot 0= 3 5. name quad sin >0,COS

SM Y/N (0,1) H/M 15th 1/10 (-1,0) (1,0) ( (cos,sin) Sin tan= COS (0,-1)