In Exercises 1-4, find the solutions of the equation in the interval [-2, 2]. Use a graphing

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In Exercises 1-4, find the solutions of the equation in the interval [-2π, 2π]. Use a graphing utility to verify your results.
1. tan x = 1
2. tan x = √3
3. cot x = -√3
4. cot x = 1
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