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Trigonometric Functions

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    Primary and Secondary Trigonometric Ratios
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  • It is used to measure the length of the side for a right-angled triangle.
    Pythagorean Theorem
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  • reciprocal of sine?
    cosecant
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  • Give the mnemonic for primary trigonometric ratios.
    SOH CAH TOA
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  • secant is the reciprocal of?
    cosine
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  • opposite over adjacent is the ratio of ______
    tangent
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  • What is the ratio of cosine α?
    15/17
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  • What is the ratio of cotangent β?
    8/15
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  • adjacent side of angle β
    AC
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  • A right triangle has a sides of 5, 12, and 13. If sine θ = 12/13, what is the cotangent θ?
    5/12
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  • Cosine Ratio = ?
    adjacent/hypotenuse
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