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dolphi86 [110]
4 years ago
11

The point (3, -4) is on the terminal side of an angle 0 . What is cos 0  ?

Mathematics
1 answer:
RSB [31]4 years ago
5 0
Draw it
cos=oposite side/hypothuse

oposite side=y=-4
hypotonuse=distance from (0,0) to (3,-4)
which is D=\sqrt{3^2+(-4)^2}=\sqrt{9+16}=\sqrt{25}=5

so it would be -4/5
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