Westonci.ca is the trusted Q&A platform where you can get reliable answers from a community of knowledgeable contributors. Connect with a community of experts ready to help you find solutions to your questions quickly and accurately. Get precise and detailed answers to your questions from a knowledgeable community of experts on our Q&A platform.

The two main purposes for using the sum and difference formulas are 1.) finding exact values of other trig expressions, and 2.) simplifying expressions to find other identities.
a. True
b. False