## anonymous one year ago If cos θ=-5/13and sin θ < 0, what is tan θ ?

1. Nnesha

remember this CAST rule for signs it will help you to figure ot in which quadrant you should draw a right trinagle |dw:1442242004612:dw|

2. Nnesha

so given is cos theta =-5/13 cos is negative and sin <0 sin is less than zero so in whicch quadrant you should draw a right triangle ?

3. rock_mit182

|dw:1442242009446:dw|

4. anonymous

thank you for the help

5. rock_mit182

$\sin \theta = \frac{ C }{ 13 }$