algebra precalculus - Using unit circle to explain $\cos(0) = 1

$ 20.50

4.5
(184)
In stock
Description

We have been taught $\cos(0) = 1$ and $\sin(90) = 1$. But, how do I visualize these angles on the unit circle?

Unit Circle: Sine and Cosine Functions

Unit Circle Tangent, Definition, Values & Examples - Lesson

5.2: Unit Circle - Sine and Cosine Functions - Mathematics LibreTexts

PPT - The Unit Circle PowerPoint Presentation, free download - ID:703020

The Unit Circle CK-12 Foundation

The Unit Circle M 140 Precalculus V. J. Motto. Remembering the “special” right triangles from geometry. The first one is formed by drawing the diagonal. - ppt download

Math Tricks To Remember The Unit Circle (video lessons, examples and solutions)

PPT - The Unit Circle PowerPoint Presentation, free download - ID:2184628

Why is cos(0) = 1?

The Unit Circle CK-12 Foundation

10.2: The Unit Circle - Cosine and Sine - Mathematics LibreTexts

5.2: Unit Circle - Sine and Cosine Functions - Mathematics LibreTexts