Answer:
Khan Academy.
Step-by-step explanation:
You can go on khan academy and search up "percentages and numbers." The videos should immediately pop up. there are also lessons if you don't want to risk getting your problem wrong. If you are still confused and do not understand please just comment and I will respond.
IDK so so so sorry i am not fameluar with this
Answer: Option D
phase
Step-by-step explanation:
By definition, the cosine function has the following form
Where is known as the phase angle
By definition the sinx function is equal to the cosx function with a phase shift of
So if we have the function
and we want to transform it into the function then
Finally
the answer is the option D