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DustinMHayes Group Title

Sine and Cosine Ratios?

  • 2 years ago
  • 2 years ago

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  1. DustinMHayes Group Title
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    |dw:1351201608050:dw|

    • 2 years ago
  2. aroub Group Title
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    sine= opposite/hypotenuse cosine= adjacent/hypotenuse

    • 2 years ago
  3. mark_o. Group Title
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    sin B =2/5 now find angle B first theN you will get cos B

    • 2 years ago
  4. mark_o. Group Title
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    angle B= sin^-1(2/5)=23.578 degrees now cos B=BC/5 therefore BC=5 cos B BC=5 cos23.578 BC=4.58 ans

    • 2 years ago
  5. DustinMHayes Group Title
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    So what is that to the nearest degree?

    • 2 years ago
  6. mark_o. Group Title
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    B=23.6 degree

    • 2 years ago
  7. mark_o. Group Title
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    that is angle B, forget BC i thought you are trying to get it too ...lol

    • 2 years ago
  8. DustinMHayes Group Title
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    Yea I have a table of trigonometric ratios to get the nearest degree but I dont know how to read it.

    • 2 years ago
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