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charlotteakina

  • 2 years ago

do I use sin, tan, cos for this?

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  1. Valkarie70
    • 2 years ago
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    cos

  2. Valkarie70
    • 2 years ago
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    because the opposite is not defined you cant use sine, but you have adjacent and the hypotnuse which means you can use cosine

  3. Valkarie70
    • 2 years ago
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    yep

  4. nubeer
    • 2 years ago
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    nop its base/hyp

  5. Valkarie70
    • 2 years ago
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    but you dont have the base therefore you must use cosine

  6. nubeer
    • 2 years ago
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    so it should be 2.28/4.07

  7. nubeer
    • 2 years ago
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    well i think thats the way it should be done.. maybe you can ask someone else to confirm it.

  8. nubeer
    • 2 years ago
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    well no cos function will be use.. adjacent = 2.28 , hyp =4.07

  9. nubeer
    • 2 years ago
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    yes.

  10. Valkarie70
    • 2 years ago
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    yes, so you cant do sine because it requires you use adjacent

  11. nubeer
    • 2 years ago
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    lol no.. its cosine.

  12. nubeer
    • 2 years ago
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    Some People Have Curly Brown Hair Through Proper Brushing. now just look first letter of each word. S=sin, P= perpendicular, H= Hyp, C=Cos , B= bAse, T=tan

  13. nubeer
    • 2 years ago
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    |dw:1352832846895:dw|

  14. nubeer
    • 2 years ago
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    that is a formula for making things easy.. mean when u use sin=perp/hyp cos= base /hyp , tan =perp/base

  15. nubeer
    • 2 years ago
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    base and hypotaneous will be the sides with angle.. and perpendicular is the side opposite of the angle on which we are working.

  16. nubeer
    • 2 years ago
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    |dw:1352832995681:dw| if we are working on this mark angle then your Hyp base and perp will be this.

  17. nubeer
    • 2 years ago
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    |dw:1352833051199:dw| if you are working on this angle then your hyp base and perp are this.

  18. nubeer
    • 2 years ago
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    hahah lol i am not crazy :P and yes thats an easy way to remember sides we have to take with cos sin and tan..

  19. JakeV8
    • 2 years ago
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    Not yet... 0.560 that is the cosine of Angle A. Now you need to use "Inverse Cosine" to get angle A.

  20. JakeV8
    • 2 years ago
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    do you have calculator? I am using the windows calculator... it has a button called "Inv" (for inverse), so I hit that button, then the "cosine" button. Actually, when I hit "Inv", then my cosine button turns to cos^-1 like: \[\cos ^{-1}\]

  21. snowandsuch
    • 2 years ago
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    cosine = a/c

  22. JakeV8
    • 2 years ago
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    Yes, that's exactly right :) Nice work.

  23. JakeV8
    • 2 years ago
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    If you have an angle, you can use the sine, cosine, and tangent ratios to solve for a missing side. If you don't have an angle shown, but you do have side lengths shown, you can use the same ratios, but then with inverse cosine, inverse sine, or inverse tangent to solve for the missing angle.

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