anonymous
  • anonymous
I need some help, am totally lost... Use the given information to evaluate each expression. sin α =√(3 /2) with 90° < α < 180° (a) sin(α/2) (b) cos(α/2) (c) tan(α/2)
Precalculus
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
you know \(\alpha =120\) since \(\sin(120)=\frac{\sqrt{3}}{2}\)
anonymous
  • anonymous
your job is to know find \(\sin(60),\cos(60),\tan(60)\)
anonymous
  • anonymous
*now is what i meant, although it would also be good to "know" those values

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anonymous
  • anonymous
Thank You so much, it geared me in the right direction! :)
anonymous
  • anonymous
yw

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