Respuesta :

silirobert15

We have:  2sinx - 1 = 0 ( 0 ≤ x ≤ 360° )

⇔ 2sinx = 1 ⇔ sinx = 1/2 ⇒ x = 30°

P/s: i don't know '' Ꝋ '' means so i change it to ''x''

ok done. Thank to me :>

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