Cos(X+Pi/4) Формула Приведения
Cos(X+Pi/4) Формула Приведения. #cos x = 1/sqrt{2} #. We'll expand with the difference and sum angle formulas and see where we are.
We'll expand with the difference and sum angle formulas and see where we are.
Posted on 26.12.2016 by admin. Posted on 26.12.2016 by admin. #cos x = 1/sqrt{2} #. That's 45/45/90 in the first and fourth quadrant
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