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What we first recognise about Tacitus and his characters is that, in spite of his notorious claim “consilium mihi pauca […] tradere […] sina ira et studio”, “my aim is to relate a few accounts without ang...

Key to Auden's perspective on suffering is that suffering is a constant component of human existence, made clear in Surgical Ward, where he observes how those who experience acute pain magnify th...

Use the product rule: Let   u = cos3x ,     v = cosec4x Then du/dx = -3sin3x , dv/dx = -4cosec4xcot4x  (standard result, given in the formula booklet) Hence dy/dx = -4cosec4xcot4xcos3x - 3sin3xcosec4x . (...

Internal energy, temperature, and heat are closely related but distinct concepts. The microscopic particles that make up a body are in constant motion and may exert forces on ea...

• Think about which process we need to determine the turning point? - Differentiation 

• Think about the form of the given function. - Product of two functions, so use Product Rule...