9514 1404 393
Answer:
x = 0
Step-by-step explanation:
It can help to keep a graph of the cosine function in mind. It starts off at its maximum value at x = 0.
The Parker family drove 120 miles on the first day
180m divided by 1.5 is 120m. You can double check this by multiplying 1.5 time 120 , and the answer you would get would be 180.
31
•°• LHS = RHS
✏ Hence, proved.
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