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Find all solutions in the interval (0,2pi) you should get kpi and pi/4 but how do you get there

Find all solutions in the interval (0,2pi) you should get kpi and pi/4 but how do-example-1

1 Answer

3 votes

Add sin(x) to both sides

tan(x)sin(x)=sin(x)

Divide sin(x) from both sides

tan(x)=1

now you just have to figure out where tan(x)=1. you can figure this out from there by looking at the unit circle.

User David Guida
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