trig
posted by Anonymous .
Solve the following equation for È <= È <= 2(pi)
2 tan È + 3 = tan È

dont know what your È is supposed to say, l will replace it with Ø
2 tanØ + 3 = tanØ
tanØ = 3
Ø = π  1.249 = 1.893 radians (108.4°)
or
Ø = 2π  1.249 = 5.034 radians (288.4°)
your domain probably contains a typo as well.
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