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

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Hero
 2 years ago
Best ResponseYou've already chosen the best response.1@Lukecrayonz, you're the one who works for tutoring company.

AFleming42
 2 years ago
Best ResponseYou've already chosen the best response.0Well I sure don't....

Lukecrayonz
 2 years ago
Best ResponseYou've already chosen the best response.0We don't tutor high levels anymore=[ And I've only finished precalc lol

Lukecrayonz
 2 years ago
Best ResponseYou've already chosen the best response.0@Hero thats why I called my hero.

Hero
 2 years ago
Best ResponseYou've already chosen the best response.1Just pick an appropriate half angle identity and apply it to the problem.

AFleming42
 2 years ago
Best ResponseYou've already chosen the best response.0Easier said than done.

AFleming42
 2 years ago
Best ResponseYou've already chosen the best response.0Or you could explain it to me.

Hero
 2 years ago
Best ResponseYou've already chosen the best response.1I'm still waiting on OS to install a donate button for answering peoples questions

saifoo.khan
 2 years ago
Best ResponseYou've already chosen the best response.0Are you familiar with these formulas? @AFleming42 http://www.freemathhelp.com/images/halfangles.png

AFleming42
 2 years ago
Best ResponseYou've already chosen the best response.0@saifoo.khan Have I seen them? Yes. Do I understand how the heck to use them? No....

precal
 2 years ago
Best ResponseYou've already chosen the best response.0I agree with AFleming42, same thing here (see them, maybe done them correctly)

saifoo.khan
 2 years ago
Best ResponseYou've already chosen the best response.0The formula requires the values of angles divided by 2. See here:
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