# Resources by The Virtual Textbook

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### Trigonometric Graphs

This resource contains two interactive excel files dealing with the graphs of trigonometric functions.

Trigonometry: X=cos, Y=sin...

### Trigonometry

This sub-collection of resources from the Virtual Text Book collection contains five resources designed for use on an interactive whiteboard to aid the teaching and learning of a variety of topics in ‘Trigonometry'. Each resource is an interactive Excel worksheet to encourage teacher-student interaction. The topics...

### Trigonometry: X=cosθ,Y=sinθ

This collection of interactive excel sheets looks at a circle of radius 1 and the corresponding values generated for cosθ and sinθ.

The first interactive sheet illustrates that for the unit circle, X = cosθ and Y =...

### Vectors

This interactive excel sheet deals with a variety of vector topics. It begins with sheets which require students to identify column vectors from line...

### Vectors 2

The first two sheets use maps of New York to show how vectors can be used to specify journeys. Answers in terms of a and b can be revealed.

The third sheet shows that the vectors a and b used to describe relative...

### Venn Diagrams

This series of interactive excel sheets explore calculating the probability of events from Venn diagrams. Another resource exploring the use of Venn ...

### Venn Diagrams

The first three sheets of this interactive excel file show Venn Diagrams of two sets and allow the student to explore other sets based on their union, intersection and complements. By clicking on the Boolean Algebra expression the region is shown on the Venn Diagram....

### Volumes of Revolution

This collection of interactive excel sheets investigate volumes of revolution by integration.

The first sheet plots the function y= ax2...