Answer:
b does ot represent a function
Step-by-step explanation:
is this due already
x>6
s
71°
The cosine of an angle is equal to the sine of its complement:
cos(19°) = sin(90° -19°) = sin(71°)
Comparing to the given expression, we see that x = 71°.
Let us use the formula with the point (4,5) and (0,2)
