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Jessica0089

  • 9 months ago

can someone please please check my work? Will fan and give medal! sin(tan^-1(4/3)) a. the hypotenuse would be 5 b. Angle theta is the angle whose tangent is 4/3 . Find the sine of angle theta. for that i have a hard time understanding

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  1. Jessica0089
    • 9 months ago
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    |dw:1407350935577:dw|

  2. Jessica0089
    • 9 months ago
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    45 degrees?

  3. myininaya
    • 9 months ago
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    now what is sin(theta)?

  4. myininaya
    • 9 months ago
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    recall sin(theta)=opp side of theta/hyp

  5. myininaya
    • 9 months ago
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    what measurement is for the opp side of theta?

  6. myininaya
    • 9 months ago
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    what is the hyp measurement?

  7. myininaya
    • 9 months ago
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    all of this is actually already given

  8. Jessica0089
    • 9 months ago
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    sine theta here is 4/5 and my hyp=5

  9. Jessica0089
    • 9 months ago
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    and yes, i do realize that now!

  10. myininaya
    • 9 months ago
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    right sin(theta)=4/5

  11. myininaya
    • 9 months ago
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    they are basically giving you a way to evaluate sin(tan^-1(4/3))

  12. myininaya
    • 9 months ago
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    you know like without a calculator

  13. robtobey
    • 9 months ago
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    a. is correct. The actual angle value in degress is not necessary. The sine is 4 over 5.

  14. robtobey
    • 9 months ago
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    Sorry, degress should be degrees.

  15. Jessica0089
    • 9 months ago
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    alright, thank you!

  16. robtobey
    • 9 months ago
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    Your welcome.

  17. myininaya
    • 9 months ago
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    i don't think this was a multiple choice question...

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