Question

Which equation can be used to find the length of AC?10 in.40BO (10)sin(409) = ACO (10)cos(40°) = AC10= ACsin( 40°)o cos1800) = AC

Answer 1

AC is the opposite

hypotenuse = 10

The best trig. ratio to use is sin

sin 40 = AC / 10

AC = 10 sin 40

Hence A is the correct option