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Answer:
Step-by-step explanation:
<u>Trigonometric Functions</u>
The trigonometric functions have a cyclic behavior, which means they perform a full cycle and then do it all again in their whole domain. If we know that
sinx=0
we can use the inverse sine function to know the values of x. In this case, all angles whose sine is 0.
X=0 is the trivial solution, but given the repetitive nature of the sine, we know the next cycle will repeat the same value. Each cycle occurs every units of x, so the solution is
being k any integer number, positive or negative
The height of the tip of the blade (in feet) of our windmill has a motion described by the equation
Let's start one cycle by setting x=0, so the initial value of h is
The very next cycle will be when h=18 again
Or
sinx=0
Which next solution is
So, it will take to make a full rotation for one blade a time of