Solving Basic Trig Equations

Solve for ALL values of x:

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Solve for x over the interval

$0\le x<2\pi$

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• 1

• Not Possible

• -1 / 2
• √3 / 2
• -√3 / 2
• 1 / 2

• 30^o

• 60^o

• 300^o

• 330^o

• 30^o

• 150^o

• 210^o

• 330^o

Solve sinθ = ½ on θ∈[0, 2π)

• θ = π / 6,  7π / 6

• θ = π / 6,  5π / 6

• θ = 5π / 6,  7π / 6

• θ = 7π / 6,  11π / 6

Solve for θ on the interval from [0, 2π).

cosθ = -½

• θ = π / 6, 7π / 6

• θ = π / 3, 5π / 3

• θ = 2π / 3, 4π / 3

• θ = 7π / 6, 11π / 6