SOLUTION: Find all values of 't' in the interval [0, 2pi] that satisfy 2cos't'+1=0
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Question 1039442: Find all values of 't' in the interval [0, 2pi] that satisfy 2cos't'+1=0
Found 2 solutions by Boreal, ikleyn:
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
that is 2 cos t= -1
cos t= (-1/2)
That occurs in the 2nd and third quadrants.
That is at pi/3 and 2 pi/3
Answer by ikleyn(52786) (Show Source): You can put this solution on YOUR website!
.
and .
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