SOLUTION: solve the following equation for the given value of x: y= cos x; for x = 4 pie

Algebra ->  Algebra  -> Trigonometry-basics -> SOLUTION: solve the following equation for the given value of x: y= cos x; for x = 4 pie      Log On

Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!
Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!

   

Question 229280: solve the following equation for the given value of x:
y= cos x; for x = 4 pie
Found 2 solutions by rfer, Alan3354:
Answer by rfer(12730) About Me  (Show Source):
You can put this solution on YOUR website!
y=cos x
y=cos(4*3.14)
y=cos 12.56
y=0.976

Answer by Alan3354(31528) About Me  (Show Source):
You can put this solution on YOUR website!
y= cos x; for x = 4 pie
----
y = cos(x) = cos(4pi) = 1
It's pi, the Greek letter, not pie, the dessert.