Posted by Jamie on .
Find the exact value of the cosine and the cosecant of thetha, if thetha terminates in quadrant II and sin theta = 4/5

Pre Cal 
Bun,
cos^2 + sin^2 =1
cos^2 = 116/25 =9/25
sin theta terminates in quadrant II, so sin>0 but cos <0
therefore cos =3/5