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icee

  • 2 years ago

Find the value of x and y.

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  1. icee
    • 2 years ago
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    |dw:1342294769527:dw|

  2. shahzadjalbani
    • 2 years ago
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    \[\sin \theta =per/hyp\]

  3. shahzadjalbani
    • 2 years ago
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    so \[\sin \theta =y/20\]

  4. shahzadjalbani
    • 2 years ago
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    angle is 60 if we take y as perp then sin 60 * 20= y .866 * 20 =y y=17.32

  5. shahzadjalbani
    • 2 years ago
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    now take the angle 30 and x as perp so sin 30 =x/20 sin 30 * 20 =x .5 * 20 =x x=10

  6. shahzadjalbani
    • 2 years ago
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    @icee

  7. shahzadjalbani
    • 2 years ago
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    @icee

  8. icee
    • 2 years ago
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    how did you get .866

  9. shahzadjalbani
    • 2 years ago
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    this is the value of sin 60 @icee

  10. icee
    • 2 years ago
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    ok thank you!

  11. shahzadjalbani
    • 2 years ago
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    You welcome @icee

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