ana2896
09.04.2020 •
Mathematics
Given that 0≤β<2π, which of the following gives all solutions to the equation 2sin2β=9sinβ−4?
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Ответ:
We know the following equation:
So we can write this equation as two function that are equalized, that is:
So let's solve this equation graphically. We know that:
And this interval is indicated with the two vertical lines drawn in red below. For this graph the x-axis represents β.
So the β-values of the graph of f(β) that makes this function to be zero are:
And those two values lies on the given interval.
Ответ:
sduusb
Step-by-step explanation:
sh dus u