Question

3. (4 marks) A desert temperature oscillates between-5°C at 4am to 35°C at 4pm, then down again to-5°C at 4am the next day. This behaviour is repeated sinusoidally. Let the temperature, H, in celsius, be a function of the time t,in hours since 4am. (a) Sketch a graph of H against t over a 72 hour period, from t0 (b) If the formula for H is H- A + B sin(Ct + D), determine the values of A and C.

Answer 1

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