SOLUTION: Help! Question Find the exact solution to the equation in the interval [2π, 3π]. cos (t) = 1/2

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Question 1003540: Help!
Question Find the exact solution to the equation in the interval [2π, 3π].
cos (t) = 1/2

Found 2 solutions by ikleyn, lwsshak3:
Answer by ikleyn(52803)   (Show Source): You can put this solution on YOUR website!
.
Hey, do not panic!

Solve it first in the conventional interval [, ) and then add .

Do you know what the cosines is?

is one full revolution from the zero angle.

You are able to solve it yourself.

Good luck.


Answer by lwsshak3(11628)   (Show Source): You can put this solution on YOUR website!
Find the exact solution to the equation in the interval [2π, 3π].
cos (t) = 1/2
t=π/3, 5π/3,7π/3,
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