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:
E= -6
D= 4
B =- 4
Step-by-step explanation:
Step-by-step explanation:
(1,5) (5,8)
x,y. x,y
Formula: <u>y2-y1</u>
x2-x1
so...
<u>8-5</u><u>=</u> <u>3</u>
5-1 = 4
so... <u>3</u>
4
Answer:00000000000000000000000000000000
Step-by-step explanation:
Answer:
The answer would be 30.
Step-by-step explanation:
Calculating 9×100÷30 equals 30 and that would be your answer.
