Sum and Difference Formulas (11:48)
TRIGONOMETRIC IDENTITIES
In this unit you will look closely at trigonometry ratios and identities. You will begin with examining the usefulness of trigonometry using a graphing calculator. You will then look at the development and derivations of trigonometric identities. In the final part of the unit, you will verify trigonometric identities.
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| Sum and Difference Formulas (11:48) |
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| Fundamental Trig Identities |
| Practice: Using the trig angle addition identities |