Unit Circle Download For Ti-84 Plus

The program is really helpful, but when scrolling up and down the options within the circle the only thing visible is the red arrow. Also, the indicator arrows are constantly flashing extremely quickly.

Students will describe the relationship between the unit circle and the sine and cosine functions. Students will describe the shape of the sine and cosine curves after unwrapping the unit circle.

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This lesson involves using a slider to change the measure of the central angle of a unit circle and making connections with right triangle trigonometry.

As a result, students will:Discover the relationships between the right triangle and the line segments creating the sine and cosine functions.Observe that as the measure of the central angle changes line segments representing the length of a highlighted leg of the right triangle in the unit circle appear on the screen.Need prerequisite knowledge of right triangle trigonometry and continuous functions.

This TI-89 program calculates attributes related to the unit circle. The program offers both degree and radian modes as well as user configurable angle increments. In addition the program also graphs the circle. Tracing along the graphed circle displays the sine and cosine changes with changing angles. Users may also input any angle to calculate the sine and cosine for that angle. ff782bc1db