SOLUTION: Of the following numbers, which is largest? (a) cos (0) (b) cos (Π /6) (c) cos (Π /4) (d) cos (Π/3) (e) cos (Π)

Algebra ->  Algebra  -> Trigonometry-basics -> SOLUTION: Of the following numbers, which is largest? (a) cos (0) (b) cos (Π /6) (c) cos (Π /4) (d) cos (Π/3) (e) cos (Π)       Log On

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Question 24453: Of the following numbers, which is largest?
(a) cos (0)
(b) cos (Π /6)
(c) cos (Π /4)
(d) cos (Π/3)
(e) cos (Π)

Answer by josmiceli(6786) About Me  (Show Source):
You can put this solution on YOUR website!
cos 0 = 1
cos pi = -1
the cos of any other angle is less than 1, because 1 and -1 are the max and min
so, cos 0 is the largest