Sine and Cosine Values on the Unit Circle (Angles in Radians)
You'll memorize the sine and cosine of the special angles of a unit circle written in radians.
Solving Oblique Triangles
You'll practice deciding he correct method to use when solving the oblique triangle, Law of Sines, or Law of Cosines.
Right Triangle Trigonometry: Using the Cosine Ratio
You'll use the cosine ratio to calculate measurements of right triangles.
Angles: Basic Terminology
You'll practice identifying angles and parts of angles.
Right Triangle Trigonometry: Using the Tangent Ratio
You'll practice using the tangent ratio to calculate measurements of right triangles.
Sine and Cosine Values on the Unit Circle (Angles in Degrees)
You'll memorize the sine and cosine values associated with reference angles of 0, 30, 45, 60, and 90 degrees.
Finding Standard-Position Angles
You'll find the standard-position angle for a given reference angle.
The Pythagorean Theorem
You'll practice using the Pythagorean theorem to find the unknown side length of a right triangle.
Using the Sine, Cosine, or Tangent Function to Solve for the Angles in a Right Triangle
You'll practice solving for angles in a right triangle using sine, cosine, or tangent.
Right Triangle Trigonometry: Trigonometric Ratios
You'll practice finding values of trigonometric ratios of given angles and of angles having the given trigonometric ratios.