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catgirl17

  • 2 years ago

pre-cal Find (a) sin a and cos B, (b) tan a and cot B, and (c) sec a and csc B.

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  1. catgirl17
    • 2 years ago
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    |dw:1347217242148:dw|

  2. dpaInc
    • 2 years ago
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    since this is a right triangle, can you give me the length of the hypotenuse?

  3. dpaInc
    • 2 years ago
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    hello?

  4. dpaInc
    • 2 years ago
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    meow?

  5. catgirl17
    • 2 years ago
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    so would i do the pythag. theorm?

  6. dpaInc
    • 2 years ago
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    yes....

  7. catgirl17
    • 2 years ago
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    what do i do after that?

  8. dpaInc
    • 2 years ago
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    do you know the definition o the trig functions? or better yet, the acronym: SOHCAHTOA: Sine = Opposite/Hypotenuse Cosine = Adjacent/Hypotenuse Tangent = Opposite/Adjacent

  9. catgirl17
    • 2 years ago
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    yes

  10. dpaInc
    • 2 years ago
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    ok... so once you have the hypotenuse, you can determine the trig ratios for the angles that you want....

  11. dpaInc
    • 2 years ago
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    so... what do you have for the length of the hypotenuse?

  12. catgirl17
    • 2 years ago
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    \[\sqrt{34}\]

  13. dpaInc
    • 2 years ago
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    |dw:1347218499018:dw| now you can you determine the trig ratio's???

  14. catgirl17
    • 2 years ago
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    okay thanks

  15. dpaInc
    • 2 years ago
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    yw...:)

  16. Chlorophyll
    • 2 years ago
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    @catgirl17 Do you want to post your result, so we can double check?

  17. catgirl17
    • 2 years ago
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    okay

  18. catgirl17
    • 2 years ago
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    a) \[3\sqrt{34}/34 \] \[5\sqrt{34}/34\]

  19. Chlorophyll
    • 2 years ago
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    a) the result should be the same: 3/ √ 34 ( 3√ 34/ 34 )

  20. catgirl17
    • 2 years ago
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    why?

  21. catgirl17
    • 2 years ago
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    b) 3/5 , 5/3 c) \[\sqrt{34}/5\] , \[\sqrt{34}/3\]

  22. Chlorophyll
    • 2 years ago
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    sinA = opp/ hyp = 3/√ 34 cosB = adj/ hyp = 3/√ 34

  23. Chlorophyll
    • 2 years ago
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    When you can fix your a) then go ahead fix b) and c)

  24. catgirl17
    • 2 years ago
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    b) 3/3, 3/3 c) \[\sqrt{34}/3\] \[\sqrt{34}/3\]

  25. Chlorophyll
    • 2 years ago
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    b) tanA = opp/ adj = 3/5

  26. catgirl17
    • 2 years ago
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    okay

  27. Chlorophyll
    • 2 years ago
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    C) secA = hyp/ adj = √ 34/5

  28. catgirl17
    • 2 years ago
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    okay

  29. Chlorophyll
    • 2 years ago
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    @catgirl17 That's the reason you need to volunteer post your working solution, so we can help you through the correct final result!

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