Texas Instruments may be the most well-known graphing calculator maker today. They debuted the first in their “TI” series in 1990 with the TI-81. You’ll be able to graph sine and cosine ...

Cosine and sine of an angle θ are defined to be the x and y-coordinates ... is the y-coordinate of the point P. This applet shows how the graphs of sin(θ) and cos(θ) follow directly from the ...