AFleming42
Find the exact value by using a halfangle identity.
sin (7π/8)



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Lukecrayonz
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@precal

Lukecrayonz
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@Hero

Hero
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@Lukecrayonz, you're the one who works for tutoring company.

AFleming42
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Well I sure don't....

Lukecrayonz
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We don't tutor high levels anymore=[ And I've only finished precalc lol

Lukecrayonz
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@Hero thats why I called my hero.

Hero
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Just pick an appropriate half angle identity and apply it to the problem.

AFleming42
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Easier said than done.

Hero
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Switch said and done

AFleming42
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Or you could explain it to me.

Hero
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I'm still waiting on OS to install a donate button for answering peoples questions


precal
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sorry hate half angles

AFleming42
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@saifoo.khan Have I seen them? Yes. Do I understand how the heck to use them? No....

precal
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I agree with AFleming42, same thing here (see them, maybe done them correctly)

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