Answer:
D)
Step-by-step explanation:
Right on Edge 2021
Answer:
1200÷20=x and x=60
Step-by-step explanation:
60
x 20
---------
1200
The sinusoid makes a complete oscillation (i.e. 360°) every 3 seconds. So, in one second it makes 1/3 of a turn, leading to 360°/3 = 120°.
So, the correct answer is the last one.