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Schmidt
Mathematics
22 May, 16:16
2 sin squared x = 4 sinx+6
+3
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1
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Zayden Patel
22 May, 16:46
0
x = 3π/2 + 2πk
Step-by-step explanation:
2 sin² x = 4 sin x + 6
2 sin² x - 4 sin x - 6 = 0
sin² x - 2 sin x - 3 = 0
(sin x - 3) (sin x + 1) = 0
sin x - 3 = 0
sin x = 3
no solution
sin x + 1 = 0
sin x = - 1
x = 3π/2 + 2πk
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