Explain please?
no.. cos, sin and other trignometric operators are NOT associative.
cos(a+b) = cosa x cosb - sin a x sin b;
so cos255 = cos300cos45 - sin300sin45
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no.. cos, sin and other trignometric operators are NOT associative.
cos(a+b) = cosa x cosb - sin a x sin b;
so cos255 = cos300cos45 - sin300sin45