Precalculus
Sum and Difference Identities — Completed Class Notes (§7.2)
Class Notes
·Digital download
[ ] Print the outline before lecture
[ ] Follow along while the problem is worked
[ ] Fill in each step in the blank space
[ ] Review before the exam
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Handwritten notes worked through in class: sum and difference formulas for sine, cosine and tangent, and verifying identities with them.
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"I've never been good at math. But with these outlines I actually followed along in class for the first time — and I passed."