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The point (3, -4) is on the terminal side of an angle . What is cos ? A) -3/5 B) 3/5 C) -3/4 D) 3/4 E) 3

The point (3, -4) is on the terminal side of an angle . What is cos ? A) -3/5 B) 3/5 C) -3/4 D) 3/4 E) 3
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The point (3, -4) is on the terminal side of an angle . What is cos ?

A) -3/5
B) 3/5
C) -3/4
D) 3/4
E) 3

asked
User Bobo
by
8.2k points

1 Answer

4 votes
this is in the fourth quadrant where the cosine is positive
By pythagoras the hypotenuse is 5

so the cosine is 3/5 B
answered
User Lucas Eduardo
by
7.3k points
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