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kenneyfamily

  • 3 years ago

Determine the number of possible solutions if A=62degrees, a=4, and b=6

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  1. dumbcow
    • 3 years ago
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    use law of sines to find angle B

  2. kenneyfamily
    • 3 years ago
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    would you be able to please walk me through that?

  3. kenneyfamily
    • 3 years ago
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    wait hold on

  4. dumbcow
    • 3 years ago
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    \[\frac{sinB}{6} = \frac{\sin 62}{4}\]

  5. kenneyfamily
    • 3 years ago
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    ok and then 1.613/25 for C and c

  6. dumbcow
    • 3 years ago
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    you will get 2 possible answers for B

  7. kenneyfamily
    • 3 years ago
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    but how does that determine the # of possible solutions?

  8. dumbcow
    • 3 years ago
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    since you can have 2 answers for B, that leads to 2 answers for c and C as well hence 2 possible triangles

  9. dumbcow
    • 3 years ago
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    whenever you take the inverse sin to solve you get 2 solutions this comes from unit circle |dw:1353133383544:dw|

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