Question

In ∆ABC if ∠ABC = 90° and ∠ACB = 30° then find AB:AC

Answer 1

Answer:

1/(root 3)

Step-by-step explanation:

In ∆ABC

cot(30)=AC/AB

so, tan(30)=AB/AC

therefore AB/AC=1/(root 3)

Answer 2

Answer:

Sin 30° = AB / AC

= 1 / 2 = AB / AC

= AB : AC = 1 :2