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:
4/8
Step-by-step explanation:
3/10 is 0.30 and 4/8 is 0.5
Answer:
x=1
Step-by-step explanation:
0=4x-4
-4=4x
x=1
hope this helps:)
The standard form is 5x-6y=16