Sine, cosine and tangent functions are periodic functions, meaning they repeat themselves at regular intervals. This interval of repetition is known as the period of the function, and this periodicity ...

Explore the amplitude, period, and phase shift by examining the graphs of various trigonometric functions. Students can select values to use within the function to explore the resulting changes in the ...

This applet shows how the graphs of sin (θ) and cos (θ) follow directly from the definition of these functions. Move the slider to change the angle. Observe that after the point moves once around the ...

National 5 Working with the graphs of trigonometric functions Example Trigonometric graphs can be sketched when you know the amplitude, period, phase and maximum and minimum turning points.

Graph this data. Write a trigonometric equation using the cosine function that best models this situation. Rewrite the equation using the sine function. For which places would the sine function be a ...

In support of efforts to foreground functions as central objects of study in algebra, this study provides evidence of how secondary students use trigonometric functions in contextual tasks. The author ...