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proof for the derivative of sin(x) is cos(x) (5 marks)

let f(x)=sin x f'(x) lim h-> 0 = ( sin(x+h) - sin(x))/h. f'(x) lim h-> 0 =( sin(x)cos(h) + cos(x)sin(h) - sin(x))/ h. f'(x) lim h-> 0=(sin(x)(cos(h)-1)/h + cos(x) (sin(h))/h. then as h tends to zero...
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Answered by Nicola P. Maths tutor
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In 'Hamlet' the father-son bond is presented as the most powerful

In the play 'Hamlet', the main father-son bond we become enthralled in is that of Hamlet and his father. Unmistakably, their bond is powerful; it is this bond which led to Hamlet's plot for revenge. In order...
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What is the role of the albedo effect?

The albedo effect is the amount of light a surface reflects. Snow, for example, has a high albedo effect because it does not absorb much light and reflects back a lot of it. Roads, however, have a low albedo...
Answered by Geography tutor
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Discuss Wundt's Role in the emergence of psychology

Wilhelm Wundt, "the founding father" of psychology was the first to clarify the difference between physiology and psychology ; psychology being the study of conscious experience. Wundt believed tha...
NF
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How might we monitor environmental change?

There are three things to structure this answer: identifying a baseline, identifying a scale, and noting any drawbacks of the methodology. Central to all three is the ability to define what we mean by enviro...
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