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Course Description
Videos on trigonometry. Watch the 'Geometry' playlist first if you have trouble understanding the topics covered here.
Lectures
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1. Basic Trigonometry
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2. Basic Trigonometry II
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3. Radians and degrees
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4. Using Trig Functions
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5. Using Trig Functions Part II
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6. The unit circle definition of trigonometric function
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7. Unit Circle Definition of Trig Functions
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8. Graph of the sine function
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9. Graphs of trig functions
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10. Graphing trig functions
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11. More trig graphs
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12. Determining the equation of a trigonometric function
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13. Trigonometric Identities
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14. Proof: sin(a+b) = (cos a)(sin b) + (sin a)(cos b)
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15. Proof: cos(a+b) = (cos a)(cos b)-(sin a)(sin b)
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16. Trig identities part 2 (parr 4 if you watch the proofs)
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17. Trig identies part 3 (part 5 if you watch the proofs)
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18. Trigonometry word problems (part 1)
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19. Trigonometry word problems (part 2)
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20. Law of cosines
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21. Navigation Word Problem
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22. Proof: Law of Sines
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23. Ferris Wheel Trig Problem
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24. Ferris Wheel Trig Problem (part 2)
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25. Fun Trig Problem
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26. Inverse Trig Functions: Arcsin
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27. Inverse Trig Functions: Arctan
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28. Inverse Trig Functions: Arccos
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29. Trigonometry Identity Review/Fun
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