<h3>
Answer: 
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Explanation:
The identity we'll use is cos(-x) = cos(x) for any value of x.
So cos(-150) = cos(150).
Then locate the angle 150 on the unit circle. The terminal point is 
The x coordinate of this terminal point is the value of cos(150).
Answer:
5(5x+11)
Step-by-step explanation:
C - 0.15c is the same as 1c - 0.15c.
1 - 0.15 = 0.85.
Joe can also use 0.85c.
Type it into the app or online on ‘Desmos’ it a really good graphing calculator. I hope this helps
Answer:
The length of the building's shadow = 550.66 ft
Explanations:
The height of the Empie State Building = 1250 feet
The friend's height = 75 inches
The length of the friend's shadow = 33 inches
