ahmed0102al ahmed0102al
  • 30-05-2018
  • Mathematics
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I NEED UR HELP PLEASE..

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JoshEast
JoshEast JoshEast
  • 01-06-2018
cos α = [tex] \frac{adj}{hyp} [/tex]

Let α = 30° ; adj = 2 ; hyp = x

 ∴     cos 30° = [tex] \frac{2}{x} [/tex]

              ⇒  x  = [tex] \frac{1}{(cos30)(2)} [/tex]

                   x   =  2.31
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