brit6240
brit6240
17-03-2020
Mathematics
contestada
1) If sin 60° = 0.8660, then cos 30º =
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TenzinTsesang
TenzinTsesang
17-03-2020
cos30 = square root of 3/2=0.8660
The cos of 60 is the sin of 30 n vice versa.
U can use the unit circle for this too
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