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anonymous

  • one year ago

TWO ALGEBRA 2 QUESTIONS! CAN SOMEONE HLEP ME WORK THROUGH THEM?

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  1. anonymous
    • one year ago
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  2. campbell_st
    • one year ago
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    ok... I'd say you need to draw a diagram and plot the point |dw:1438286130188:dw| find x using pythagoras

  3. campbell_st
    • one year ago
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    |dw:1438286207877:dw| now you have an angle you can find the trig ratios you need...

  4. anonymous
    • one year ago
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    how do I do that?

  5. campbell_st
    • one year ago
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    the 2nd question needs pythagoras again find XY then you can find your trig ratios

  6. campbell_st
    • one year ago
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    if you are doing trigonometry you should know about Pythagoras' Theorem c^2 = a^2 + b^2

  7. anonymous
    • one year ago
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    I know about that theorem

  8. campbell_st
    • one year ago
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    then you need to find the missing sides in each triangle... then you can find the necessary trig ratios

  9. anonymous
    • one year ago
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    can you help me?

  10. campbell_st
    • one year ago
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    so in the 1st question, what is the measure of the missing side x.?

  11. anonymous
    • one year ago
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    169

  12. campbell_st
    • one year ago
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    close... remember that is x^2 = 169 what is x..?

  13. anonymous
    • one year ago
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    x=13 or -13?

  14. campbell_st
    • one year ago
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    great x = 13 so you know |dw:1438286923320:dw| you are asked to find csc and sec csc... find sin for sec find cos what do you get..?

  15. anonymous
    • one year ago
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    i don't know how to do that

  16. campbell_st
    • one year ago
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    sin =opp/hyp cos=adj/hyp

  17. anonymous
    • one year ago
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    12/5 5/13

  18. anonymous
    • one year ago
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    is that is??

  19. anonymous
    • one year ago
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    it*

  20. campbell_st
    • one year ago
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    well in the triangle 13 = hyp 5 = adj and 12 = opp you got cos correct cos = 5/13 sin = 12/13 to find sec just flip the cos fraction to find csc flip the sin fraction

  21. anonymous
    • one year ago
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    oh, so it is D??

  22. campbell_st
    • one year ago
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    nope not D flip the fraction.... turn them upside down if cos = 5/13 what does sec = ? turn the fraction upside down... same for sin = 12/13 csc = ?? turn the sin fraction upside down

  23. anonymous
    • one year ago
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    13/5 13/12

  24. campbell_st
    • one year ago
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    correct

  25. anonymous
    • one year ago
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    C

  26. campbell_st
    • one year ago
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    yes

  27. anonymous
    • one year ago
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    Can you help me with the other please?

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