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You should start by identifying which parts have a fixed rate of change e.g. water is being poured in at 50 cm^3/s. You should then identify what is changing in relation to this e.g the height of fluid in...

In a Poisson Distribution, there exists only one parameter, μ, the average number of successes in a given time interval. The mean and variance of the distribution are als...

In my experience the sure fire way to prove trig identities is by doing the following:

1) Assess the question e.g. is it obvious you're going to need a double angle or addition formula, c...