In Exercises 1-4, factor the expression. Use the fundamental identities to simplify, if necessary. (There is more

Question:

In Exercises 1-4, factor the expression. Use the fundamental identities to simplify, if necessary. (There is more than one correct form of each answer.)
1. sec2 x - 1 / sec x - 1
2. cos x - 2 / cos2 x - 4
3. 1 - 2 cos2 x + cos4 x
4. sec4 x - tan4 x
Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For  book-img-for-question
Question Posted: