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Express the equation cosecθ(3 cos 2θ+7)+11=0 in the form asin^2(θ) + bsin(θ) + c = 0, where a, b and c are constants.

We must first use the identity cosecθ = 1/sinθ. Now the equation becomes (1/sinθ)(3 cos 2θ+7)+11=0. Since we know that the question is asking for the answer in the form of asin 2 θ + bsinθ + c = 0, we realis...
GL
Answered by George L. • Maths tutor
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What do Oxbridge tutors want to see in a personal statement?

You should not be intimidated when it comes to writing your personal statement: it is simply a chance for you to bring together the best of what you have read on the subject that you (hopefully) love. What O...
CE
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How do I write conditional sentences in Italian?

There are 3 main types of conditional or hypothetical sentences i.e. 'if-clause's || TYPE 1: 'if this happens, this will happen': present + present e.g. se piove, non esco OR future + future e.g. se verrai c...
RI
Answered by Rubi I. • Italian tutor
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When should I use 'por' and when should I use 'para'?

POR: causa, motivo, razón -- por ejemplo: no pudimos salir por (a causa de) la nieve | equivale a "en favor de", "en busca de" -- lo he hecho por vosotros / voy por pan a la tienda | tiem...
RI
Answered by Rubi I. • Spanish tutor
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What is the difference between a float and an integer variable type?

The float integer variable type, as the name suggests, only allows integer numbers to be stored(i.e. 1,4,5 etc.). On the other hand, float numbers could be decimal(i.e. 3.14, 5.52352345 ,etc.)
DD
Answered by Dimitar D. • Python tutor
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