Using the calculator Whiteboard exercise Play

Using the calculator to solve trigonometric equations Animation Play

Using the reduction formulas Whiteboard exercise Play

Using the reduction formulas Student activity Play

Using trigonometric identities Whiteboard exercise Play

Using trigonometric identities Whiteboard exercise Play

Variables and numbers of equations Slideshow Play

Vector equations of lines in 2-D Class activity Play

Vector equations of lines in 2-D Whiteboard presentation Play

Vector equations of lines in 3-D Whiteboard presentation Play

Vector equations of lines in 3-D Class activity Play

Word equations for reactions Student activity Play

Word equations for reactions Whiteboard exercise Play

Writing chemical equations using symbols and formulae Student activity Play

Writing chemical equations using symbols and formulae Whiteboard exercise Play

Writing down chemical equations Animation Play