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yasras

  • 3 years ago

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)

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  1. anonymous
    • 3 years ago
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    you know \(\alpha =120\) since \(\sin(120)=\frac{\sqrt{3}}{2}\)

  2. anonymous
    • 3 years ago
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    your job is to know find \(\sin(60),\cos(60),\tan(60)\)

  3. anonymous
    • 3 years ago
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    *now is what i meant, although it would also be good to "know" those values

  4. yasras
    • 3 years ago
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    Thank You so much, it geared me in the right direction! :)

  5. anonymous
    • 3 years ago
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    yw

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