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:
Step-by-step explanation:
hello :
here is an solution
A 31 inches is the answer because it can't be higher than 39
Answer:
16
Step-by-step explanation:
4*4
5 x 3n = 15n
^ This is your answer to your question ^