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highschoolmom2010

  • one year ago

Find the value of each variable. If your answer is not an integer, express it in simplest radical form.

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  1. highschoolmom2010
    • one year ago
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  2. jhonyy9
    • one year ago
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    do you know sin45 = ?

  3. jhonyy9
    • one year ago
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    value numeric

  4. highschoolmom2010
    • one year ago
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    no clue ^^

  5. jhonyy9
    • one year ago
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    why you needed learning it sure

  6. jhonyy9
    • one year ago
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    ok but hope you know that the sinus of an angle is equal opposite side divide hypothenuse yes ?

  7. highschoolmom2010
    • one year ago
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    \[10=\sqrt{2}*x\] \[x=\frac{ 10 }{ \sqrt{2}}\] \[x=\frac{ 10 }{ \sqrt{2} }*\frac{ \sqrt{2} }{ \sqrt{2} }\] \[x=\frac{ 10\sqrt{2} }{ 2 }\] \[x=5\sqrt{2}\]

  8. highschoolmom2010
    • one year ago
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    @jhonyy9 ive never done that before

  9. highschoolmom2010
    • one year ago
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    "but hope you know that the sinus of an angle is equal opposite side divide hypothenuse"

  10. jhonyy9
    • one year ago
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    sin45 = sqrt2 /2

  11. jhonyy9
    • one year ago
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    so than using this you can rewriring it sqrt2 x ---- = ----- 2 10 cross multiplie 10sqrt2 = 2x divide by 2 and will get x = 5sqrt2 right ?

  12. phi
    • one year ago
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    yes, you did it correctly. Jhonny is using trigonometry, which you have not studied yet

  13. highschoolmom2010
    • one year ago
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    thats my next lesson...... :D cool so i understand it :DD ty @phi @jhonyy9

  14. jhonyy9
    • one year ago
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    yw

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