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loser0123456 Group Title

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  • one year ago
  • one year ago

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  1. loser0123456 Group Title
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    I have an opposite leg of a right triangle that is 40mm long, I have an adjacent leg of 165mm what is the measure of angle a which is the angle in between the hypotenuse and the adjacent leg

    • one year ago
  2. loser0123456 Group Title
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    what is the sine, cosine, and tangent ratios for ∠ A.

    • one year ago
  3. DingusBrain Group Title
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    i wont give u the answer but i will help you

    • one year ago
  4. loser0123456 Group Title
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    ok that is what I wanted

    • one year ago
  5. DingusBrain Group Title
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    first of all we need to use cosine since were dealing with adjacent/hypotenuse

    • one year ago
  6. DingusBrain Group Title
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    what we first want to do tho is use tangent to find the length of the hypotenuse

    • one year ago
  7. DingusBrain Group Title
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    actually for the hypotenuse we could do a^2=b^2=c^2

    • one year ago
  8. loser0123456 Group Title
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    the length is about 170

    • one year ago
  9. begzat Group Title
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    But he need to find the angle

    • one year ago
  10. begzat Group Title
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    not the hypotenuse

    • one year ago
  11. DingusBrain Group Title
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    begzat

    • one year ago
  12. DingusBrain Group Title
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    to find the angle you need to find the hypotenuse

    • one year ago
  13. begzat Group Title
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    no

    • one year ago
  14. DingusBrain Group Title
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    yep

    • one year ago
  15. DingusBrain Group Title
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    169.78 is the length of the hypotenuse

    • one year ago
  16. loser0123456 Group Title
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    the hypotenuse is 170 so we dont need to find it

    • one year ago
  17. begzat Group Title
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    do you know what is Trigonometric Ratios

    • one year ago
  18. DingusBrain Group Title
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    alright then from there is pretty simple

    • one year ago
  19. loser0123456 Group Title
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    i rounded

    • one year ago
  20. begzat Group Title
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    if you know Trigonometric Ratios formula you can find very easy the angle

    • one year ago
  21. loser0123456 Group Title
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    ok but what are the steps i forgot

    • one year ago
  22. begzat Group Title
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    okay i will post the formulas and you will find wich one you need to use

    • one year ago
  23. loser0123456 Group Title
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    ok

    • one year ago
  24. begzat Group Title
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    sin=opposite leg/ hypotenuse cos=adjacent leg/hypotenuse tan=opposite leg/ adjacent leg

    • one year ago
  25. begzat Group Title
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    know which one you need to use

    • one year ago
  26. begzat Group Title
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    now***

    • one year ago
  27. loser0123456 Group Title
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    so I need to use cosine

    • one year ago
  28. begzat Group Title
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    no because you know opposite and adjacent leg

    • one year ago
  29. loser0123456 Group Title
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    i also know hypotenuse it is 170

    • one year ago
  30. begzat Group Title
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    but on the question it said that you know opp. and adj.

    • one year ago
  31. begzat Group Title
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    you can use tan if you want

    • one year ago
  32. loser0123456 Group Title
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    I forgot to post the hypotenuse

    • one year ago
  33. begzat Group Title
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    okay so you can use all

    • one year ago
  34. loser0123456 Group Title
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    but which one helps me find my angle

    • one year ago
  35. begzat Group Title
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    all

    • one year ago
  36. begzat Group Title
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    you can use tan=opp./adjacent leg

    • one year ago
  37. loser0123456 Group Title
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    well can you help me with the steps for cos

    • one year ago
  38. Directrix Group Title
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    >well can you help me with the steps for cos The cosine of an acute angle of a right triangle is the ratio of the length of the leg adjacent to the hypotenuse to the hypotenuse length. cos(A) = 165/169.78 cos(A) = 0.9718459 approx A = ? |dw:1362220656246:dw|

    • one year ago
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