day 10 examples u4w14
DESCRIPTION
TRANSCRIPT
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Trig Equations with Identities
+ 2sin - 14 = 0
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1 - sin2x = 3cosx - 2
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[0,3π)2
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Solve for x:
cosxsin2x - 2sinx = -2 for all real numbers
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4cos(2 ) + 2 = 0 general solution
Solve for θ:
DESCRIPTION
TRANSCRIPT
Trig Equations with Identities
+ 2sin - 14 = 0
1 - sin2x = 3cosx - 2
[0,3π)2
Solve for x:
cosxsin2x - 2sinx = -2 for all real numbers
4cos(2 ) + 2 = 0 general solution
Solve for θ: