Answer:
Step-by-step explanation:
the answer is C (i think)
hope it helped
Answer:
f(x)=cos(x)
The amplitude is equal to 1. The period is 2π.
Answer:
Step-by-step explanation:
(35 - 20)/20
15/20 = .75
.75 * 100 == 75%
75%
Answer:
9
Step-by-step explanation: