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What are the different factors that contribute to bonding?

Firstly, let's start off with the simplest type of bonding. Ionic bonding involves the transfer of electrons, usually from a metal (Sodium/Na) to a non-metal (Chlorine, Cl). This creates an attraction betwee...
VM
Answered by Viral M. Chemistry tutor
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Discuss how Sondheim utilises Melody and Harmony in "Agony" from "Into The Woods"

The melody of the piece is a vocal melody sung by a tenor or baritone. The word "agony" is Sue syllabically (one note per syllable) frequently on the same three notes, the tonic E flat (but an octa...
JB
Answered by Jim B. Music tutor
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How do I find the inverse of a function?

To find the inverse of a function you need to rearrange from y= a function in terms of x to x= a function in terms of y and then when you write your answer it's important to set it in the form f^-1(x)= a fun...
NH
Answered by Natalie H. Maths tutor
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When do I use the sin rule and when do I use the cosine rule?

The sin rule is used when you need to find a length of a side or an angle. You use the sin rule when you're given an angle, an opposite side length and also an angle or side length opposite to the one you're...
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Answered by Natalie H. Maths tutor
9943 Views

Prove that 2 cot (2x) + tan(x) == cot (x)

(1) Aim to rearrange the right hand side (rhs) to make it look like the left hand side.LHS = 2 cot (2x) + tan (x)(2) Notice that the rhs is only in terms of x, whereas the right has a function involving 2x. ...
JC
Answered by Joseph C. Maths tutor
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