Answer: x=2π/3 and x=4π/3
Step-by-step explanation:
The equation we have is
. All we have to do is get cosine alone to find the 2 values of x.

Now that we have our cosine left, we can use our unit circle to figure out when does cosx=-1/2. Cosine is the x value of the coordinate.
x=2π/3
x=4π/3
Answer:
A) 1/3 D) 13/39 E) 14/42
Step-by-step explanation:
hope this helps. brainliest please.
Answer:
None
Step-by-step explanation:
Answer:
first and third
Step-by-step explanation:
Emma used the product instead of the quotient and forgot the parentheses in x-4.5
Answer:
40 + x = y
Just use the variables given to make an equation.