Mathematics, 04.11.2019 22:31, skiddymark3ox93za

Find all solutions of the equations in the interval [0,2pi].
1. tan^(2) x + tan x = 0
2. sin 2 a - cos a = 0
3. 4 cos^(2) x - 3 = 0
4. csc^(2) x - csc x - 2 = 0

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Find all solutions of the equations in the interval [0,2pi].
1. tan^(2) x + tan x = 0
...