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Prerequisites
- A2a – Substituting numerical values into formulae and expressions
- G20b – Trigonometric ratios – sin, cos and tan
- G21a – Exact values of sin, cos and tan for special angles
Graphs of trigonometric functions
Desmos graphs
The sine graph
Here is the graph of y=sin(x). Drag the large orange point to move it along the graph. Click on any orange point to toggle a label showing its coordinates.The cosine graph
Here is the graph of y=cos(x). Drag the large orange point to move it along the graph. Click on any orange point to toggle a label showing its coordinates.The tan graph
Here is the graph of y=tan(x) with dashed lines showing the asymptotes.Teacher resources
Links to past exam questions
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In the real world
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