Determining the signs of the electrodes in a cell Animation Play

Determining the signs of trigonometric functions Student activity Play

Even and odd number of negative signs Whiteboard exercise Play

Road signs Animation Play

Signs of the ratios in the different quadrants Whiteboard exercise Play

The correct position of the signs Whiteboard exercise Play

The missing signs 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

Trigonometric functions and their signs Animation Play