Answer:
sin22°
Step-by-step explanation:
Using the cofunction identity
cos x = sin (90 - x), then
cos68° = sin(90 - 68)° = sin22°
78 units squared
240÷3.00=710
718-722=720
78-82=80
100°
m <em>L</em><em> </em>1 = (180-100) + 20 = 80+20 = 100°
