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@tan(A) = 5, tan(B) =4, tan(A - B) = 1/21

@tan(A) = -3, tan(B) = 4, tan(A - B) = 7/11

I can demonstrate how the answers can be obtained during the session.

Can be anything reasonable that indicates a shift in demand, e.g. greater perceived returns to education. Incorrect answers are supply-side based answers, e.g. Government makes the cost of University chea...

To be able to differentiate this we need to use the product rule as we want to differentiate two functions multiplied together. The product rule states that if y=uv, then : dy/dx= u dv/dx + v du/dx. Let u...

There are a couple of important things you need to be demonstrating in psychology essays. The first thing you need to do is to look at what the question is asking you and pick out key words. You need to m...

Hydrothermal vents form where cold seawater percolates down into the Earth's oceanic crust, and is superheated by the geothermal gradient. Under the confining pressure of the surrounding rock and the over...