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    kenkla's Avatar
    kenkla Posts: 5, Reputation: 1
    New Member
    		  
    #1

    Sep 29, 2010, 08:57 PM
    trig question
    how do I find the value of the indicated function.
    cot=1/3, find sin, tan. I know the answer is tan=3 how do I do the equation?
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #2

    Sep 29, 2010, 09:57 PM

    You don't have to do much. You only need to make a sketch.

    Code:
           /|
      / |
     /  |
    /   |
   /    |
  /     | 3
 /      |
/_______|
   1
    The angle is the one on the lower left side of the triangle.

    tan x = 3 as your sketch tells you. Find the length of the hypotenuse using the two sides you know and you'll be able to find sin x and cos x.

    Post what you get! :)
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