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Find the values of sin θ, cos θ, and tan θ for the given right triangle (in the link below). Give the exact values.

www.webassign.net/aufexc2/8-5-003.gif

sin θ=
cos θ=
tan θ=

my answer is
c^2 = a^2 +b^2
c^2 = 5^2+12^2
c^2 = 169
c= √(169)
c= 13

I know that sin θ= 5/13 but I don't know how to do tan θ and cos θ. can someone help me got tan θ and cos θ.

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2 answers
  1. draw that hypotenuse in, 13
    sin = opposite / hypotenuse = 5/13
    cos = adjacent / hypotenuse = 12/13
    tan = opposite/adjacent = 5/12

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    Damon
  2. ok thank you Damon, I understand now

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