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AFleming42

  • 2 years ago

Find the exact value by using a half-angle identity. sin (7π/8)

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  1. Lukecrayonz
    • 2 years ago
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    @precal

  2. Lukecrayonz
    • 2 years ago
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    @Hero

  3. Hero
    • 2 years ago
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    @Lukecrayonz, you're the one who works for tutoring company.

  4. AFleming42
    • 2 years ago
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    Well I sure don't....

  5. Lukecrayonz
    • 2 years ago
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    We don't tutor high levels anymore=[ And I've only finished precalc lol

  6. Lukecrayonz
    • 2 years ago
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    @Hero thats why I called my hero.

  7. Hero
    • 2 years ago
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    Just pick an appropriate half angle identity and apply it to the problem.

  8. AFleming42
    • 2 years ago
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    Easier said than done.

  9. Hero
    • 2 years ago
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    Switch said and done

  10. AFleming42
    • 2 years ago
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    Or you could explain it to me.

  11. Hero
    • 2 years ago
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    I'm still waiting on OS to install a donate button for answering peoples questions

  12. saifoo.khan
    • 2 years ago
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    Are you familiar with these formulas? @AFleming42 http://www.freemathhelp.com/images/halfangles.png

  13. precal
    • 2 years ago
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    sorry hate half angles

  14. AFleming42
    • 2 years ago
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    @saifoo.khan Have I seen them? Yes. Do I understand how the heck to use them? No....

  15. precal
    • 2 years ago
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    I agree with AFleming42, same thing here (see them, maybe done them correctly)

  16. saifoo.khan
    • 2 years ago
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    The formula requires the values of angles divided by 2. See here:

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