Additional Mathematics 4037/14 — May/June 2021

Cambridge O-Level · Calculator · worked solutions for every part, with the mark scheme

questions

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120

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Topics Calculus · Trigonometry · Logarithmic and exponential functions · Circular measure · Equations, inequalities and graphs · Series · +4 more

Q1TrigonometryFree sample

(a)

On the axes below, sketch the graph of $y = 6\cos 2x - 1$ for $0° \leq x \leq 360°$ .

Fig. 1

(b)

The graph of $y = a + b\sin c\theta$ for $-180° \leq \theta \leq 180°$ is shown below.

Fig. 2

Write down the value of each of the constants $a$ , $b$ and $c$ .

$a = \text{...........................} \quad b = \text{...........................} \quad c = \text{...........................}$

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