Find [math]\sin 28^\circ[/math] if [math]\cos 62^\circ \approx 0.469[/math].
[list=1] [*]Set up the identity. [*]Substitute the values of the angles into the identity and simplify. [*]Verify the identity by calculating the sine of [math]28^\circ[/math] and the cosine of [math]62^\circ[/math] using a scientific calculator. [/list] This applet is provided by Walch Education as supplemental material for the [i]UCSS Secondary Math II[/i] program. Visit [url="http://www.walch.com"]www.walch.com[/url] for more information on our resources.