Radian measure of angles Animation Play

Radian measure, introduction Student activity Play

Radians Student activity Play

Radians and degrees Student activity Play

Radians and degrees Whiteboard exercise Play

Range for projectile motion at an angle Student activity Play

Range for projectile motion at an angle Simulation Play

Range for projectile motion at an angle Whiteboard exercise Play

Range of trigonometric functions Whiteboard exercise Play

Range of trigonometric functions Student activity Play

Real and apparent positions Simulation Play

Reasoning with angles Student activity Play

Reasoning with angles Whiteboard exercise Play

Reasoning with angles Student activity Play

Reasoning with angles Whiteboard exercise Play

Recognition of congruent triangles Animation Play

Rectilinear motion and circular motion Animation Play

Reduction formulas due to periodicity Student activity Play

Reduction formulas due to periodicity Whiteboard exercise Play

Reduction formulas for the cosine Animation Play

Reduction formulas for the sine Animation Play

Reflection Student activity Play

Reflection and refraction of waves Class activity Play

Reflection and refraction of waves Whiteboard presentation Play

Reflection and refraction of waves Whiteboard presentation Play