Jawabanmu

2014-04-02T18:56:44+07:00
Sin x = 1/2 √3
maka sudut x = 60

jadi cos x = cos 60 = 1/2
      tan x = tan 60 = √3
2014-04-02T18:58:21+07:00
Panjang sisi samping =  \sqrt{ 2^{2} -   \sqrt{3} ^{2} } =  \sqrt{4 - 3} =  \sqrt{1} = 1
 sehingga nilai cosinus =  \frac{1}{2}
               nilai tangen =  \frac{ \sqrt{3} }{1} =  \sqrt{3}