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Mrrafil [7]
3 years ago
8

The point (3, -4) is on the terminal side of an angle . What is cos ?

Mathematics
1 answer:
elena55 [62]3 years ago
8 0
This is in the fourth quadrant where the cosine is positive 
By pythagoras the hypotenuse is 5 

so the cosine is 3/5   B
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