Mathematics, 12.04.2020 02:40 JOEFRESH10

Please... I really need to do this...
а) sin(2х + 3) = а + 4
б) 2cos(х + π/3) = а2 - 3а
в) tg22х - (2а +1)tg2х + а(а + 1) = 0.

Answers: 2

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Please... I really need to do this...
а) sin(2х + 3) = а + 4
б) 2cos(х + π/3) = а2 - 3а...