Finding Trig Values with the Unit Circle
vinteachesmath
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Finding Trig Values with the Unit Circle
607 просмотров · 5 л. назад
vinteachesmath
51,2 тыс. подписчиков
607 просмотров · 5 л. назад
In this video, I show how to find trig values with the unit circle. I explain the concept behind why cosine corresponds to the x coordinate and sine corresponds to the y coordinate. Then I go through many examples, showing how to evaluate sine and cosine at the quadrant angles by using the unit circle.
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