ANSWER

EXPLANATION
We want to find the exact value of cos(150°).
150° makes an angle of 30° with the positive direction of the x-axis and it is also in the second quadrant.
The cosine ratio is negative in the second quadrant.
Using the unit circle,

Answer:
90
Step-by-step explanation:
for percentage
×100
= 0.9×100
=90
Answer:
Chart nº 2
Step-by-step explanation:
Just match each points you will see which one is actually on the diagram!