Chapter 2 of 4 · Pre-Calculus
Trigonometry
3 playlists in this chapter, each about 14 minutes, ending in a workshop: exam-style problems worked end to end, including one marked wrong first, then a set to attempt.
Playlist 1 of 3
Identities and Proofs
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Playlist 2 of 3
Law of Sines and Cosines
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Playlist 3 of 3
Polar Coordinates
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