SOLUTION: For the equation cos(5 x) = −1 find the smallest solution, the largest solution and the number of solutions for x in the interval 0 ≤ x ≤ 2π. 2dp

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Question 971803: For the equation
cos(5 x) = −1
find the smallest solution, the largest solution and the number of solutions for x in the interval 0 ≤ x ≤ 2π.
2dp
Answer by lwsshak3(11628)   (Show Source): You can put this solution on YOUR website!
For the equation
cos(5 x) = −1
find the smallest solution, the largest solution and the number of solutions for x in the interval 0 ≤ x ≤ 2π.
***
cos(5x)=-1
5x=π
x=π/5
There is only one solution in the given interval.
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