The parallelogram rule Whiteboard exercise Play

The parallelogram rule Whiteboard exercise Play

The period of the sine and the cosine Whiteboard exercise Play

The period of the trigonometric functions Animation Play

The periods of the sine and the cosine Student activity Play

The pounds and the kilograms Whiteboard exercise Play

The precision of the mid-ordinate rule Chart Play

The Pythagorean identity Whiteboard exercise Play

The Pythagorean identity Whiteboard exercise Play

The Pythagorean identity revisited Student activity Play

The reasons for the flow of induced current Animation Play

The rule for the sum of a convergent geometric series Student activity Play

The rule for the sum of a convergent geometric series Whiteboard exercise Play

The rule in the general form Student activity Play

The same values of the sine and the cosine Whiteboard exercise Play

The same values of trigonometric functions Whiteboard exercise Play

The sequence and its terms Whiteboard exercise Play

The signs of the trigonometric functions Student activity Play

The signs of trigonometric functions Whiteboard exercise Play

The signs of trigonometric functions – clockwise turn Whiteboard exercise Play

The similar terms marked wrong Whiteboard exercise Play

The sine and coordinates of the points Animation Play

The sine and the cosine functions having the same graphs Whiteboard exercise Play

The sine formula for the area of a triangle Class activity Play

The sine formula for the area of a triangle Whiteboard presentation Play