Answer:
, 
Step-by-step explanation:
Let be
the end of the terminal side of angle
in standard position, that is, an angle measured with respect to +x semiaxis. By Trigonometry, we know that the sine and the cosine of the angle are, respectively:
(1)
(2)
If we know that
and
, then the sine and the cosine of the angle are:




Answer:
I am not sure this is graphable
Step-by-step explanation:
There needs to be an = sign
Jada will spend 40 dollars after all of the 4 games she plays. She will overall spend 60 dollars at the bowling lanes for the 20 dollars she spent reserving the lane. Hope this helps!
Answer:
(x) = 
Step-by-step explanation:
let y = f(x) and rearrange making x the subject, that is
y = 2x + 1 ( subtract 1 from both sides )
y - 1 = 2x ( divide both sides by 2 )
= x
Change y back into terms of x with x =
(x) , so
(x) = 