I need help on this math problem!

Question

Let theta be an angle in quadrant 3 such that cos theta= -5/13

 

Find the exact values of csc theta and cot theta

 

please help me!

Answer 1

This is OBVIOUSLY related to the famous 5-12-13 right triangle, so the sine value for this angle is -12/13 and you can now easily calculate the other four trig values.