Trigonometric functions - mathcentre.ac.uk
Trigonometric functions mc-TY-trig-2009-1 The sine, cosine and tangent of an angle are all defined in terms of trigonometry, but they can also be expressed as functions.
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www.mathcentre.ac.uk1. Introduction This unit looks at the solution of trigonometric equations. In order to solve these equations we shall make extensive use of the graphs of the functions sine, cosine and tangent.