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37 free courses & lectures available for Trigonometry

Introduction to the Pythagorean theorem | Right triangles and trigonometry | Geometry |...

by Khan Academy on Youtube Youtube
Duration: 0.14 hours
Right triangles and the Pythagorean Theorem Watch the next lesson: ...
  
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Pythagorean theorem II | Right triangles and trigonometry | Geometry | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.16 hours
More Pythagorean Theorem examples. Introduction to 45-45-90 triangles. Watch the next lesson: ...
  
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45-45-90 triangles | Right triangles and trigonometry | Geometry | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.16 hours
Introduction to 45-45-90 Triangles Watch the next lesson: ...
  
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Intro to 30-60-90 triangles | Right triangles and trigonometry | Geometry | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.16 hours
A few more 45-45-90 examples and an introduction to 30-60-90 triangles. Watch the next lesson: ...
  
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Basic Trigonometry

by Khan Academy on Youtube Youtube
Duration: 0.15 hours
An introduction to trigonometric functions: sine, cosine, and tangent. About Khan Academy: Khan Academy is a nonprofit with a mission to provide a free, ...
  
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Basic Trigonometry II

by Khan Academy on Youtube Youtube
Duration: 0.1 hours
Another example of figuring out the sine, cosine, and tangent of an angle in a right triangle.
  
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Radian and degree | Unit circle definition of trig functions | Trigonometry | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.17 hours
What a radian is. Converting radians to degrees and vice versa. Watch the next lesson: ...
  
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Trig identities part 2 (part 4 if you watch the proofs) | Trigonometry | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.17 hours
More playing around with trig identities Watch the next lesson: ...
  
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Trig identities part 3 (part 5 if you watch the proofs) | Trigonometry | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.14 hours
Continuation of the playing around with trig identities Watch the next lesson: ...
  
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Trigonometry word problems (part 1)

by Khan Academy on Youtube Youtube
Duration: 0.17 hours
The first part of a problem when the captain of a ship goes off track.
  
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