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Trigonometry : Key Stage 5 (A2-Level) : Mathematics Content Knowledge

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Key Stage 5 (A2-Level)
Question 1 of 9

1. How confident are you that you know the properties of, and can sketch the graph of:

a. y = sec x?


The graph of y = sec x =


cos x

Function of secant x

Properties of the secant function:

  • y = sec x is periodic with a period of 360°
  • When cos x = 0, sec x is undefined

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