Answer:

Step-by-step explanation:
We know that:

And we want to find:

Remember that there is a trigonometric identity that relates the
function with the
function

Then if
this means that:

Finally:

Answer:
X=2
Y=8
Step-by-step explanation:
Since both equations are equal to y we can equal both equations
2x+4=x+6
x=2
y=2(2)+4
y=8
Answer:
B
Step-by-step explanation: