TMUA Practice Question — Worked Solution

P1·Trigonometry·5.0CrackTMUA Original

trig-graphnumber-of-solutionsgraph-reading

The graph shows

y = a sin (b x)

for constants

a, b > 0

, with amplitude and period readable from the figure.

How many solutions does the equation

a sin (b x) = 2

have for

0 \leq x \leq 2 π

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