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Sagot :

3 sin x - sin x = 2

2 sin x = 2

sin x = 1

x = 90°

Answer:

x = π/2 + 2π*n, for any integer n.

Step-by-step explanation:

sin x = 3 sin x - 2

-3 sin x + sin x = -2

-2 sin x = -2

sin x = 1

x = π/2 + 2π*n, for any integer n.