Trigonometry
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Solve the equation for solutions in the interval [0, 360).
tan 4x = 0
Which is the correct answer?
x = 33, 57, 147, 237, 327
x = 0, 90, 180, 270
x = 0, 45, 90, 135, 180, 225, 270
x = 0, 45, 90, 135, 180, 225, 270, 315
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Solution Summary
This shows how to solve a tangent equation on a given interval.
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tan(4x)=0= tan(180k)
4x=180k ---> x= 45k.
Now starting from k=0, we check to see how many k's ...
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