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|An introduction to trigonometric functions: sine, cosine, and tangent.|
|Another example of figuring out the sine, cosine, and tangent of an angle in a right triangle|
|What a radian is. Converting radians to degrees and vice versa.|
|Using Trigonometric functions to solve the sides of a right triangle|
|A couple of more examples of using Trig functions to solve the sides of a triangle.|
|Using the unit circle to extend the SOH CAH TOA definition of the basic trigonometric functions.|
|Using the unit circle to define the sine, cosine, and tangent functions|
|Using the unit circle definition of the sine function to make a graph of it.|
|Exploring the graphs of trig functions|
|Analyzing the amplitude and periods of the sine and cosine functions.|
|Determining the equations of trig functions by inspecting their graphs.|
|Determining the amplitude and period of sine and cosine functions.|
|Introduction to trigonometric identities|
|Proof of the trig identity sin(a+b) = (cos a)(sin b) + (sin a)(cos b)|
|Proof of the trig identity: cos(a+b) = (cos a)(cos b)-(sin a)(sin b)|
|More playing around with trig identities|
|Continuation of the playing around with trig identities|
|The first part of a problem when the captain of a ship goes off track.|
|The second part of the problem of the off-track ship captain|
|Introduction to the law of cosines to solve for a side of a triangle when 2 sides and an angle are known.|
|Trigonometry problem involving two ships colliding.|
|A simple proof of the Law of Sines|
|Trigonometry problems dealing with the height of two people on a ferris wheen|
|Part 2 of the ferris wheel problems. Graph of h(t)=9-8cos(18t)|
|A trig problem involving the quadratic equation.|
|Introduction to polar coordinates|
|Conversion from Cartesian to Polar Coordinates|
|Converting between Cartesian and Polar functions|
|Introduction to the inverse trig function arcsin|
|Understanding the arctan or inverse tangent function.|
|Understanding the inverse cosine or arccos function|
|Revisiting the proofs of some trigonometry identities.|
Hours of video content