Finding sin, cos, and tan

Set up the trig ratios

Set up the trig ratios

SOHCAHTOA 10 8 6

10.8 9 A 6 Find the sine, the cosine, and the tangent of angle A. Give a fraction and decimal answer (round to 4 places). 10.8 9 A 6

? 5 4 3 Pythagorean Theorem: (3)² + (4)² = c² 5 = c Find the values of the three trigonometric functions of θ. ? Pythagorean Theorem: 5 4 (3)² + (4)² = c² 5 = c 3

24.5 8.2 23.1 Find the sine, the cosine, and the tangent of angle A Give a fraction and decimal answer (round to 4 decimal places). B 24.5 8.2 A 23.1

So be sure to remember The Legend of Chief SohCahToa.