VMLC

Sine, Cosine, and Tangent

Explaining the trigonometric ratios of right triangles for sine, cosine, and tangent

CosineFundamental Trigonometric IdentityRight TriangleSineTangentTrigonometric RatiosTrigonometryTrigonometry Series

Finding the six trigonometric ratios for a right triangle

Fundamental Trigonometric IdentityRight TriangleTrigonometric RatiosTrigonometryTrigonometry Series

Using trig to find the length of the side of a right triangle given an angle and side length

Right TriangleTangentTrigonometric RatiosTrigonometryTrigonometry Series

Using trig to find an angle in a right triangle with two given sides

ArccosineCosineInverse TrigonometryTrigonometric RatiosTrigonometryTrigonometry Series

Explaining the Pythagorean Theorem and using it to find a missing side in a right triangle

Pythagorean TheoremRight TriangleSquare RootTrigonometry Series

Explaining the special right triangles and the relationships between their sides

Pythagorean TheoremRight TriangleSpecial Right TriangleTrigonometryTrigonometry Series

Right TriangleSpecial Right TriangleTrigonometry Series

Right TriangleSpecial Right TriangleTrigonometry Series

Defining radians for angle measure using the corresponding arc length on a unit circle

AngleDegreesRadiansTrigonometry Series