Primitive period of the tangent Whiteboard exercise Play

Primitive period of the tangent Student activity Play

Primitive periods of shifted trigonometric functions Whiteboard exercise Play

Properties of trigonometric functions of a general angle (1) Whiteboard presentation Play

Properties of trigonometric functions of a general angle (1) Class activity Play

Properties of trigonometric functions of a general angle (2) Class activity Play

Properties of trigonometric functions of a general angle (2) Whiteboard presentation Play

Proving a trigonometric identity Animation Play

Proving identities Whiteboard exercise Play

Proving identities Student activity Play

Proving identity for the tangent Whiteboard exercise Play

Proving trigonometric identities Student activity Play

Proving trigonometric identities Animation Play

Proving trigonometric identities Whiteboard exercise Play

Proving trigonometric identity using the Pythagorean identity Whiteboard exercise Play

Range of trigonometric functions Whiteboard exercise Play

Range of trigonometric functions Student activity Play

Reading from the graph of the cosine function Student activity Play

Reading properties of the cosine from the graph Whiteboard exercise Play

Recalling trigonometric facts Student activity Play

Recalling trigonometric facts Whiteboard exercise Play

Reciprocals of basic trigonometric ratios Student activity Play

Reduction formulas Animation Play

Reduction formulas due to periodicity Student activity Play

Reduction formulas due to periodicity Whiteboard exercise Play