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Gre4nikov [31]
3 years ago
7

If sin x = 0.5 what is the value of cos X?round the value to the nearest thousandth

Mathematics
2 answers:
Mariana [72]3 years ago
8 0
Cos(arcsin(0.5)) = 0.866
Roman55 [17]3 years ago
6 0
Use the inverse button on your calculator in degree mode for this.  Inverse sin of .5 gives you an x value of 30 (30 degree angle, that is).  Now find the cos(30) and round.  cos(30) = .866
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