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anonymous

  • one year ago

if sec theda=7, find cos theda

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  1. Vocaloid
    • one year ago
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    hint: cos(theta) = 1/sec(theta)

  2. Hero
    • one year ago
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    First time I ever saw anyone spell theta with a d

  3. anonymous
    • one year ago
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    oops i meant theta @Hero

  4. Hero
    • one year ago
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    @cali16, what is the relationship between sec theta and cos theta?

  5. anonymous
    • one year ago
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    they both use the hypothenuse

  6. Hero
    • one year ago
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    I was thinking more in terms of the equations that represent both trig functions.

  7. anonymous
    • one year ago
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    they are opposites

  8. anonymous
    • one year ago
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    so would it be 1/7

  9. Hero
    • one year ago
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    They're INVERSES of each other, not OPPOSITES. But yes, cos theta = 1/7 if sec theta = 7.

  10. anonymous
    • one year ago
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    okay thanks

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