Day 10 examples u4w14

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Transcript of Day 10 examples u4w14

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: