anonymous
  • anonymous
Find the exact value by using a half-angle identity. sin (7π/8)
Mathematics
schrodinger
  • schrodinger
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Lukecrayonz
  • Lukecrayonz
@precal
Lukecrayonz
  • Lukecrayonz
@Hero
Hero
  • Hero
@Lukecrayonz, you're the one who works for tutoring company.

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anonymous
  • anonymous
Well I sure don't....
Lukecrayonz
  • Lukecrayonz
We don't tutor high levels anymore=[ And I've only finished precalc lol
Lukecrayonz
  • Lukecrayonz
@Hero thats why I called my hero.
Hero
  • Hero
Just pick an appropriate half angle identity and apply it to the problem.
anonymous
  • anonymous
Easier said than done.
Hero
  • Hero
Switch said and done
anonymous
  • anonymous
Or you could explain it to me.
Hero
  • Hero
I'm still waiting on OS to install a donate button for answering peoples questions
saifoo.khan
  • saifoo.khan
Are you familiar with these formulas? @AFleming42 http://www.freemathhelp.com/images/halfangles.png
precal
  • precal
sorry hate half angles
anonymous
  • anonymous
@saifoo.khan Have I seen them? Yes. Do I understand how the heck to use them? No....
precal
  • precal
I agree with AFleming42, same thing here (see them, maybe done them correctly)
saifoo.khan
  • saifoo.khan
The formula requires the values of angles divided by 2. See here:
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