Question

Question 4 of 40
If cose= -
5
in quadrant II, what is sine?

Answer 1

Answer:

It's option C. 4/5

Step-by-step explanation:

Answer 2

Step-by-step explanation:

cosx=adjacent/hypotenuse

adj=3, hyp=5

by pythagoras theorem,

opp^2+3^2=5^2

opposite=4

sine=opp/hyp

sinex=4/5 (second quadrant so sin is positive)