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Find the differential of y=arcsinx

To differentiate we must use implicit differentiation. So: siny=x .Differentiating both sides we get (dy/dx)cosy=1 , so (dy/dx)=1/cosy . Using the common identity (sin 2 (y)+cos 2 (y)=1) we can rewrite the d...
SG
Answered by Shivum G. Maths tutor
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Why does the nucleophilic addition of a cyanide ion to an aldehyde form a racemic mixture?

Because the plane of the C=O bond in an aldehyde is flat, and so the nucleophilic attack of CN - onto the C can occur above or below the plane of the molecule, producing two different stereoisomers of a 2-hy...
SA
Answered by Success A. Chemistry tutor
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To what extent was Mary Queen of Scots reign defined by her marriages?

(This is a brief plan for how I would answer this essay question)Intro: The main things that define Mary Queen of Scots reign was her marriages, her religion and with her relationship with Elizabeth I and he...
VH
Answered by Victoria H. History tutor
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Read the text and answer the following questions: 1. What is the new advice on drinking water? 2.What is it that causes most stress? 3.What is the latest information about tomato ketchup?

La vida sana: cambian las opiniones. La semana pasada nos decían que debíamos consumir dos litros de agua al día. Ahora resulta que sólo hay que hacerlo si tienes sed. ¡Cómo cambian los consejos de los médic...
EM
Answered by Ellie M. Spanish tutor
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Given 2 points, how do you calculate the equation of a straight line?

Remember that the equation of a straight line function is: ax+c. a= change of y/ change of x The steps to follow are:1- find the gradient of the slope2- replace the equation by values coming from any of the ...
ZJ
Answered by Zachary J. Maths tutor
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