Скажите пожалуйста, как решать?

 

1. arctg(-√3) + arccos(√-3/2) + arcsin1

2. sinx = √3/2

3. tg(3x+П/6) = √3/3

4. 2sin^2x + 3cosx = 0 5. 3sin^2x + sinxcos - 2cos^2x = 0

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