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anonymous

  • one year ago

Use the image below to answer the following question: A right triangle is shown. The two angles that are not 90 degrees are marked x and y. The leg across from angle y measuring 12, another leg across from angle x measuring 16, and the hypotenuse measuring 20. What relationship do the ratios of sin x° and cos y° share? The ratios are opposites (16 over 20 and negative 16 over 20) The ratios are both identical (16 over 20 and 16 over 20) The ratios are both negative (negative 16 over 20 and negative 16 over 20) The ratios are reciprocals (16 over 20 and 20 over 16)

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  1. anonymous
    • one year ago
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    @welshfella

  2. anonymous
    • one year ago
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  3. welshfella
    • one year ago
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    sin x = 16/20 = 0.8 sin y = 12/20 = 0.6 so grab ur calc and just find the angles whose sines are 0.8 and 0.6

  4. anonymous
    • one year ago
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    so find the sin of .8 nd .6?

  5. anonymous
    • one year ago
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    but the question is what is the relationship they have

  6. welshfella
    • one year ago
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    on ur calculator it will be the key sin-1 or maybe arcsin

  7. anonymous
    • one year ago
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    sin-1

  8. anonymous
    • one year ago
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    53.130 when i do sin-1(.8)

  9. welshfella
    • one year ago
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    yea enter sin-1 then 0.8 or on some calcs its the other way round

  10. welshfella
    • one year ago
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    yes thats right

  11. anonymous
    • one year ago
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    and sin-1(.6) is 36.869 or .36.970

  12. anonymous
    • one year ago
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    so what now?

  13. welshfella
    • one year ago
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    i make it 36.87 those are the answers

  14. anonymous
    • one year ago
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    I'm confused

  15. welshfella
    • one year ago
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    oh i hadnt seen that cos y = 16/20 so cos y = sin x

  16. welshfella
    • one year ago
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    option B

  17. anonymous
    • one year ago
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    Alright thanks man appreciate it!!

  18. welshfella
    • one year ago
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    yw

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