# If cos theta = 5/13, theta in quadrant II, how do you find sin theta and tan theta?

##### 1 Answer

Jun 13, 2016

#### Explanation:

If

Note that:

#5^2+12^2 = 25+144 = 169 = 13^2#

Hence in Q1 we would have:

#sin theta = 12/13# and#tan theta = 12/5#

In Q2,

In Q4, we would find