Find [math]\sin 28^\circ[/math] if [math]\cos 62^\circ \approx 0.469[/math].

[list=1][br][*]Set up the identity.[br][*]Substitute the values of the angles into the identity and simplify.[br][*]Verify the identity by calculating the sine of [math]28^\circ[/math] and the cosine of [math]62^\circ[/math] using a scientific calculator.[br][/list][br][br]This applet is provided by Walch Education as supplemental material for their mathematics programs. Visit www.walch.com for more information.