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Thread: Exact Primary Trigonometric ratios...

  1. November 20th 2011, 05:01 PM #1
    sangdeep
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    Exact Primary Trigonometric ratios...

    Determine the exact primary trigonometric ratios for each Angle B = -315°. Can you draw diagrams to help me understand.
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  2. November 20th 2011, 05:13 PM #2
    TheChaz
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    Re: Exact Primary Trigonometric ratios...

    Find a coterminal angle.
    Then find the sine, cosine, and tangent of this "new" angle.
    It will be on the unit circle.

    All of these terms are easily searchable on teh internets, so please search before further inquiry.
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