Jawabanmu

2014-03-19T22:07:06+07:00
Sin=dep/mir=√3/3

mir²=dep²+sam²
9=3+sam²
sam²=9-3
sam²=6
sam=√6

cos=sam/mir=√6/3

tan=dep/sam=√3/√6
2014-03-19T22:08:31+07:00
Sin = √3/3,sudut 30 derajat
jadi, x = √2 , y = 1 , sisi miring = √3

cos = x/r = √2/√3 = √6/3
tan = y/x = 1/√2 = √2/2