Did you ever figure it out
Answer:
3
Step-by-step explanation:
The answer to the question is B.
Answer:
y=43 (alternate angle)
in triangle ADC
97+y+x=180(,sum of interior angle of triangle is 180)
x=180-97-43
x=40
Answer:

Step-by-step explanation:
Given

Required
The period
A sine function is represented as:

Where

By comparing:
and 

So, we have:


Hence, the period of the function is 