Answer:
A) 3
Step-by-step explanation:
divide 77 by 11
you get 7
divide 21 by 7 to find x
x=3
Answer: 6/15
Step 1: Subtract 6 from 8.
8 - 6 = 2
Step 2: Add a denominator.
2/15
Hope this helps!
Amplitude is equal to 2 and the maximum output is 2 for t=pi/2+2kpi. k is an integer value.