SOLUTION: Help with Sinusoidal Functions Determine the range of the function K(t)=cos(90t)-10

SOLUTION: Help with Sinusoidal Functions Determine the range of the function K(t)=cos(90t)-10

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Question 1140735: Help with Sinusoidal Functions
Determine the range of the function K(t)=cos(90t)-10
Answer by ikleyn(52908) (Show Source): You can put this solution on YOUR website!
.


The maximum value of K(t) is  1 - 10 = -9.


The minimum value of K(t) is  -1 - 10 = -11.


Hence, the range of K(t) is the segment  [-11,-9].

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