Question

Use the diagram to find cos x as a fraction in simplest form. Hypo=39, Adjacent=36 and opposite=15.

Answer 1

Cosine is adjacent over hypotenuse. Can you fill it in? :o)

Answer 2

\[\cos = \frac{ adj }{ hypot }\]

Answer 3

cos

Answer 4

hahaha terrible drawing

Answer 5

Awesome! Now, divide them by 3 to get the final answer :o)

Answer 6

why would you divide by 3?

Answer 7

would it be 5 over 13?

Answer 8

or is it 12 over 13

Answer 9

In other words, Butterfly is trying to say that you have to simplify the fraction.

Answer 10

Yes, you find the GCF, which would be 3, and divide by it to find the fraction in simplest form.

\[\frac{ 36 }{ 39 }\div \frac{ 3 }{ 3 }=\frac{ ? }{ ? } \]