Answer:
a) By graphing just one interval of length
. b) Infinite number of angles, c) Infinite times.
Step-by-step explanation:
Any function is periodical when:
, 
Where
is the period of the function. The periodicity of the function allows us to limit the graphing of the function to just an interval of one period and according to the definition, you can expect same output with n different angles (infinite number of angles and same output infinite times).
Answer:
What are your answer choices?
The answer is 49 i think.
Answer:
B. Negative
Step-by-step explanation:
Line is going downwards
The correct answer is 7r/s