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Mathematics
Makhi Carr
21 October, 13:48
Sin (2x) - 3cos x = 0
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Jasmin Gay
21 October, 14:44
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Answer:sin (inverse) (3/2)
Step-by-step explanation:
sin (2x) - 3cosx=0 sin2x=2sinxcosx
2sinxcosx-3cosx=0
2sinxcosx=3cosx
Divide both sides by cosx
2sinxcosx ➗ cosx = 3cosx ➗ cosx
2sinx=3
Divide both sides by 2
2sinx ➗ 2=3 ➗ 2
sinx=3/2
x=sin (inverse) (3/2)
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Rosa King
21 October, 17:26
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2π3, (4π3)
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