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The general formula for integration by parts to integrate something of the form u * v' is: u * v - (integral)[ (u' * v) dx ]. Thus we first need to write x * sin(...
What is an action potential? When a stimulus of sufficient size is detected, it causes a temporary reversal of charges either side of the axon membrane. It also causes the channels in the axon memb...
We use the following double angle formulae cos(2x) = cos^2(x) - sin^2 (x) and sin(2x) = 2sin(x)cos(x) to see that 2(sin^2(x)- cos^2(x)) + 6 sin(x) cos(x) = -2-(sin^2(x)+ cos^2(x)) + 3*2 sin(x) cos(x) = -2...
Sexually volatile, ‘gaudy’ masculinity pervades A Streetcar Named Desire, destroying Blanche and her ‘moth’-like femininity, from beginning to end. When Stella is struck by Stanley, Mitch says: ‘...
If the concentration of glucose in the blood is too high, this is detected by beta cells in the pancreatic islets, which release the hormone insulin. Insulin has several ...
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