gs6802084
gs6802084
14-06-2017
Mathematics
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How to find value of cos 1395degree
Respuesta :
tonb
tonb
14-06-2017
The cosine repeats itself every 360 degrees. So you could keep subtracting 360 from 1395 until it lies within the 0..360 range.
Subtract 3*360 and find cos 315° =
½
√2
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