Asked by jonathan.

Find all solutions to the given equation in the interval [0,2π). Give the exact solution, including "pi" for π. For any unused answer boxes, enter DNE in all capital letters.

2tanxsinx+2tanx=0

explanation please...thank you much
Answered by oobleck
really?
2tanx sinx + 2tanx = 0
2tanx (sinx + 1) = 0
tanx = 0
sinx = -1
You should be able to take it from there.

and when posting a question, don't bother with things like
<u>Give the exact solution, including "pi" for π. For any unused answer boxes, enter DNE in all capital letters.</u>
Instructions for input format are for you -- they have nothing to do with solving the problem.
Answered by jonathan.
sorry we are not as smart as you Oobleck
but thank you
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