April 20, 2015

A Youtube video from ProfRobBob. in which he usse the unit circle to graph 2 periods the basic sine and cosine functions to show how they relate to each other. He also explains how the symmetry of these two graphs helps you to determine that the sine function is odd and the cosine function is even.

Note: there may be a short ad at the beginning.

- Mathematics > General
- Mathematics > Algebra

- Grade 9
- Grade 10

Make sense of problems and persevere in solving them.

Reason abstractly and quantitatively.

Model with mathematics.

Use appropriate tools strategically.

Attend to precision.

Look for and make use of structure.

Graph exponential and logarithmic functions, showing intercepts and end behavior, and trigonometric functions, showing period, midline, and amplitude.