SOLUTION: what is the exact value of cos 450

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Question 734965: what is the exact value of cos 450
Found 2 solutions by lynnlo, ikleyn:
Answer by lynnlo(4176) About Me  (Show Source):
You can put this solution on YOUR website!
√3/4,-√3/4

Answer by ikleyn(53427) About Me  (Show Source):
You can put this solution on YOUR website!
.
what is the exact value of cos(450°) >
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450°  is  360°  plus  90°.


Therefore, cos(450°) is the same as cos(90°), which is 0 (zero)>


ANSWER.  cos(450°) = cos(90°) = 0 (zero).

Solved.


Ignore the post by @lynnlo, since everything is wrong there.