Answer:

Step-by-step explanation:

Divide both sides by 12:

Simplify the fraction:

Find the greatest common factor of the numerator and denominator:

Factor out and cancel the greatest common factor:

Answer:
False
Step-by-step explanation:
2cos^2(4x) - 1 = cos(8x)
cos(8 *pi/12) = cos(2pi/3) = cos(pi - pi/3) = - cos(pi/3)= 1/2, which is not 0
cos(8x) = 0
==> 8x = 0 or pi
==> x = 0 or pi/8
At least 20 characters long
Answer:
19
Step-by-step explanation:
You had 6 dollars and your mom gave you 5. 6 + 5 = 11.
You dad gave you 8 dollars.
11 + 8 = 19