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sineoko [7]
3 years ago
15

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

Mathematics
2 answers:
maxonik [38]3 years ago
8 0

Answer:

It's option C. 4/5

Step-by-step explanation:

larisa86 [58]3 years ago
4 0

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)

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