Step-by-step explanation:
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I cant see ur attached thing
Let's check.
x = 5π/24
4x = 5π/6
cos 4x = cos(5π/6) = cos 150° = -√3/2
cos² 4x = (-√3/2)^2 = 3/4
4 cos² 4x -3 = 4 (3/4) - 3 = 0
Answer: TRUE
Answer: He will have 88 cups of punch left over
Step-by-step explanation:
Answer:
63*42=2646
22*22=484
Area of Shaded Gray portion=2646-484=2162