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arl1306s

  • 3 years ago

How do I solve with a calculator: Sin(theta)=0.25

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  1. frx
    • 3 years ago
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    arcsin(0.25)

  2. frx
    • 3 years ago
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    the same as sin^(-1)

  3. arl1306s
    • 3 years ago
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    the answer I get is .25 the answer is says is correct is 14.5 and 165.5???Im confused

  4. UnkleRhaukus
    • 3 years ago
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    \[\sin(\theta)=0.25\] \[\theta=\arcsin\left(0.25\right)\] [asin] [ ( ] [0] [.] [2] [5] [ ) ] [ = ]

  5. frx
    • 3 years ago
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    http://www.wolframalpha.com/input/?i=sin^-1%280.25%29 The answer in degrees is 14.5

  6. frx
    • 3 years ago
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    The answer you get is in radians, which is also correct

  7. arl1306s
    • 3 years ago
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    I get the 14.5 answer but what about the 165.5?

  8. frx
    • 3 years ago
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    Think of it as a measurement of a triangle, you can go both the minus way and the positive way it doesn't matter. So if you get the angle 14.5 degrees there also the angle -14.5 which can be expressed as 180-14.5 = 165.5

  9. arl1306s
    • 3 years ago
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    ahh, thats awesome, all I needed to know thank you

  10. frx
    • 3 years ago
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    No problem! :)

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