Every point in the unit circle is identified either by its coordinates 
or by the angle it forms with the x-axis, 
.
The trigonometric functions associate with every angle and the correspondant coordinates the two values
This procedure can be done for every angle , so you don't have to work with acute angles only.
1yard =3ft so 》 6ft/4×3ft=6/12=1/2
Answer:
a positive number
Step-by-step explanation:
-(-) = +
for example, -1 * -1 = 1
