The cofunction of cos is sin(90-x)
90 degrees is equal to PI/2
The cofunction becomes sin(PI/2 - 2PI/9)
Rewrite both fractions to have a common denominator:
PI/2 = 9PI/18
2PI/9 = 4PI/18
Now you have sin(9PI/18 - 4PI/18)
Simplify:
Sin(5PI/18)
Answer:
............
Step-by-step explanation:
It means the scatter plot is a line with negative slope. The relation is perfectly described by a linear equation.
Answer:
1
Step-by-step explanation:
6*2-24x+1=
12+1=24x
x+1= 24/12
x+1=2
x=2-1
x=1
Answer:
the answer is x=-25/56
Step-by-step explanation:
2 4/5x=-1 1/4
14/5x=-5/4
x=-25/56