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Solve 2-3cosx=5+3cosx for 0\deg <=x<=180\deg
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Solve 2-3cosx=5+3cosx for 0\deg <=x<=180\deg

User JasonWilczak
by
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1 Answer

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2 - 3cos(x) = 5 + 3cos(x)
<=>
-3 = 6cos(x)
<=>
cos(x) = -1/2
<=>
x = 120°
hope it helps!!
User Cole Campbell
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