Solve equations using reciprocal trig identities
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The following diagram shows the graphs of the reciprocal trigonometric functions. Scroll down the page for more examples and solutions using reciprocal trig. functions.
The reciprocal trigonometric functions are secant (sec), cosecant (cosec) and tangent (tan).
\(\begin{array}{l}\sec \theta = \frac{1}{{\cos \theta }}\\{\rm{cosec}}\theta = \frac{1}{{\sin \theta }}\\\cot \theta = \frac{1}{{\tan \theta }}\end{array}\)
Sec, cosec and cot trig ratios and graphs
C3 Edexcel June 2012 Q5(a)(b)
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