Answer
$$t=0,\:t=\pi ,\:t=2\pi $$
Work Step by Step
Using inverse trigonometric functions to solve the equation, we find:
$$\tan \left(t\right)=0,\:0\le \:t\le \:2\pi \\ t=0+\pi n \\ t=0,\:t=\pi ,\:t=2\pi $$
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