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Trig Equations and Sum/Difference Formulas

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    trig equations
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  • Write the expression as the sine, cosine, or tangent of a single angle. Do not find the exact value.
    sin50
  •  15
  • Write the expression as the sine, cosine, or tangent of a single angle. Do not find the exact value.
    tan239
  •  15
  • Simplify each expression. Find the exact value.
    0
  •  20
  • Simplify each expression. Find the exact value.
    undefined
  •  20
  • Find the exact value.
    (-root2 minus -root6)/4
  •  20
  • Find the exact value.
    -root6+root2)/4
  •  20
  • Find the exact value.
    (-root2-root6)/4
  •  20
  • Find the exact value.
    (root6+root2)/4
  •  20
  • Find the exact value.
    -2-root3
  •  25
  • Find the exact value.
    2-root3
  •  25
  • Verify the identity using a sum/difference identity. Do NOT distribute! 
    Show me your work.
  •  15
  • Verify the identity using a sum/difference identity.
    Show me your work.
  •  15
  • Solve over the interval [0,2π).
    x=30, 150
  •  15
  • Solve over the interval [0,2π)
    x=60, 120
  •  15
  • Solve over the interval [0,2π)
    x=0, 135, 180, 315
  •  15
  • Solve over the interval [0,2π)
    x=30, 150, 210, 330
  •  15