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FiveNick5
 3 years ago
Find the cosine 315º. Round your answers to the nearest hundredth if necessary.
0
0.71
1
–0.78
FiveNick5
 3 years ago
Find the cosine 315º. Round your answers to the nearest hundredth if necessary. 0 0.71 1 –0.78

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cwrw238
 3 years ago
Best ResponseYou've already chosen the best response.0the cosine is positive in 4th quadrant cos 315 = cos 45 = 1/ sqrt2 = 0.71 to 2 dec places
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