Trigonometry Examples

Simplify (sin(a)^8)/(sin(a)^2-cos(a)^2)-(cos(a)^8)/(sin(a)^2-cos(a)^2)
Step 1
Since both terms are perfect squares, factor using the difference of squares formula, where and .
Step 2
Since both terms are perfect squares, factor using the difference of squares formula, where and .