Ans123
Step-by-step explanation:
sure what the zoom
Answer:
tan A = -15/8.
Step-by-step explanation:
sin^2a = 1 - cos^2A
= 1 - (-8/17)^2
= 225/289
So sin A= 15/17
tan A = sin A / cos A
= 15/17 / -8/17
= 15/-8
= -15/8.
How generous
x+3=8
minus 3 both sides
x+3-3=8-3
x+0=5
x=5
30 times as many students than teachers
Equation = 450/30 = 15 teachers