CCSS Honors 9.2 Example 3

Find the exact value of [math]\sin 75°[/math] without a calculator by using the angle sum or angle difference formulas.

[list=1] [*]Find two special angles that have a sum or difference of [math]75°[/math]. [*]Rewrite [math]\sin 75°[/math] as the sum of these two special angles and evaluate the resulting equation using the angle sum formula for sine. [/list]