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highschoolmom2010 Group Title

using sin, cos or tan find the value of X

  • 11 months ago
  • 11 months ago

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  1. highschoolmom2010 Group Title
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    • 11 months ago
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  2. ganeshie8 Group Title
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    SOH-CAH-TOA

    • 11 months ago
  3. ganeshie8 Group Title
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    go to the given angle corner, and look at the triangle. figure out wat adjacent side and hypotenuse are

    • 11 months ago
  4. ganeshie8 Group Title
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    |dw:1376246607998:dw|

    • 11 months ago
  5. highschoolmom2010 Group Title
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    adjacent is x and opposite is unknown

    • 11 months ago
  6. highschoolmom2010 Group Title
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    hypotenuse is 11

    • 11 months ago
  7. ganeshie8 Group Title
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    yes !

    • 11 months ago
  8. highschoolmom2010 Group Title
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    so we use cos

    • 11 months ago
  9. ganeshie8 Group Title
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    you want to find x, which is adjacent you knw the hypotenuse so, which trig ratio helps us ?

    • 11 months ago
  10. ganeshie8 Group Title
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    yes, cos !!

    • 11 months ago
  11. highschoolmom2010 Group Title
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    \[\cos 41=\frac{ x }{ 11 }\]

    • 11 months ago
  12. ganeshie8 Group Title
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    perfect !

    • 11 months ago
  13. highschoolmom2010 Group Title
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    \[(11*)\cos 41=\frac{ x }{ 11 }*11\] \[11\cos 41=8.3\]

    • 11 months ago
  14. ganeshie8 Group Title
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    8.3 = \(\large \color{red}{\checkmark}\)

    • 11 months ago
  15. highschoolmom2010 Group Title
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    so i did it right :DDD

    • 11 months ago
  16. ganeshie8 Group Title
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    you did great :) good work !!

    • 11 months ago
  17. highschoolmom2010 Group Title
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    thanks i think i understand this now

    • 11 months ago
  18. ganeshie8 Group Title
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    good :D

    • 11 months ago
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