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What is the difference between primary and secondary sources and when should they be used?

Primary sources are written by those who experienced the topic in question first hand. They come in a variety of different formats including but not limited to journal entries, letters, recorded interviews, ...
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Answered by Mary B. • History tutor
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Using Pythagoras Theorem find the length of the hypotenuse of a right triangle where a=7 cm and b=11 cm. Round to the nearest tenth

Pythagos Theorem states that a^2 + b^2 = c^2 So using the figures we are given the equation would look like this: 7^2 + 11^2 = c^2 We square the numbers we can and then get: 49 + 121 = c^2 We add the left ha...
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Answered by Mary B. • Maths tutor
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Using Trigonometric Identities prove that [(tan^2x)(cosecx)]/sinx=sec^2x

You should begin by identifying all the Trigonometric Identities that may be useful in this problem. Specifically, cosecx=1/sinx tanx=sinx/cosx 1/cosx=secx and possibly tan^2x + 1= sec^2x. I began by changin...
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Answered by Mary B. • Maths tutor
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Explain Joseph Fletcher’s Approach to Ethics

Fletcher’s Situation Ethics is firstly a consequential ethical theory. It suggests that any action is dependent upon the consequences it produces. Situation Ethics is also teleological – it is concerned with...
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Explain Paley’s Teleological Argument

The Watch Analogy In order to explain his teleological argument, Paley offers an analogy of finding a watch on a heath. He argues thusly: you find a watch on an abandoned heath, far from any human interactio...
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