Applications of Circular Functions (VCE SSCE Mathematical Methods): Quizzes

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Applications of Circular Functions
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What is the general form of a sinusoidal function using cosine?

y=acos(nt+ε)+by = a \cos(nt + \varepsilon) + b

Which is an example of periodic motion modeled by sinusoidal functions?

Rotating wheels

For y=asin(nt+ε)+by = a \sin(nt + \varepsilon) + b, what is the period formula?

2πn\frac{2\pi}{n}

For d=10060cos(4π3t)d = 100 - 60 \cos\left(\frac{4\pi}{3}t\right), what is the period in seconds?

32\frac{3}{2}

For d=10060cos(4π3t)d = 100 - 60\cos\left(\frac{4\pi}{3}t\right), what is the maximum value of dd?

160160 cm

For d=10060cos(4π3t)d = 100 - 60\cos\left(\frac{4\pi}{3}t\right), what is the minimum value of dd?

4040 cm

For d=10060cos(4π3t)d = 100 - 60 \cos\left(\frac{4\pi}{3}t\right), what is dd when t=0t = 0?

4040 cm

For h(t)=4sin(π6t)h(t) = 4\sin\left(\frac{\pi}{6}t\right), what is the period in hours?

1212 hours

In the tide model, what does a negative height value mean?

Tide is below mean sea level

For h(t)=4sin(π6t)h(t) = 4\sin\left(\frac{\pi}{6}t\right), what is the high tide height?

44 metres above mean

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