What is the period of the function f(x) = -4 cos(5x-9) - 7?
Give an exact value.
units
2 answers:
Answer:
2pi/5
Step-by-step explanation:
The only thing in this equation that affect the period is the '5' in front of the 'x'
cos period is usually 2pi
this is compressed by 5
period = 2pi/ 5
General equation
Our Equation
On comparing
Now
Period
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