Trigonometry - Trigonometric Graphs and Parameters
Trigonometry - Trigonometric Graphs and Parameters
The equation of a curve is \(y = 2 \cos 2x + 4\) for \( 0 \leq x \leq 2\pi\).
- Write down the maximum and minimum values of \(y\).
- State the amplitude, the period and the range of the function.
- Hence, sketch the graph of \(y\).
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Answer:(i) Maximum 6; minimum 2. (ii) Amplitude 2; period pi; range 2<=y<=6.
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