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Trig Equations and Sum/Difference Formulas
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Solve over the interval [0,2π)
x=0, 90, 270
Solve over the interval [0,2π)
x=30, 150, 210, 330
Solve over the interval [0,2π)
x=0, 90, 270
Solve over the interval [0,2π)
x=0, 90, 180
Solve over the interval [0,2π)
x=30, 90, 150, 270
Solve over the interval [0,2π)
x=90
Solve over the interval [0,2π)
x=30, 150, 210, 330
Solve over the interval [0,2π)
x=0, 135, 180, 315
Solve over the interval [0,2π)
x=60, 120
Solve over the interval [0,2π).
x=30, 150
Verify the identity using a sum/difference identity.
Show me your work.
Verify the identity using a sum/difference identity. Do NOT distribute! 
Show me your work.
Find the exact value.
2-root3
Find the exact value.
-2-root3
Find the exact value.
(root6+root2)/4
Find the exact value.
(-root2-root6)/4
Find the exact value.
-root6+root2)/4
Find the exact value.
(-root2 minus -root6)/4
Simplify each expression. Find the exact value.
undefined
Simplify each expression. Find the exact value.
0
Write the expression as the sine, cosine, or tangent of a single angle. Do not find the exact value.
tan239
Write the expression as the sine, cosine, or tangent of a single angle. Do not find the exact value.
sin50


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