Pythagorean trigonometric identity
plural of Bienvenu
Echoing; repeating back; mimicking.
(trigonometry) The equality sin (x)²+ cos (x)²=1, holding for all real and complex x, equivalent to the application of the Pythagorean theorem to the unit circle.
(computing) The actual time of day, as would be seen on a wall clock; contrasted with the (possibly inaccurate) time according to a computer system.
私が微積分を教えるたびに、学生にピタゴラスの三角関数の恒等式(sin^2(x) + cos^2(x) = 1)が多くの式の単純化の基礎になっていることを思い出させます。
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