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By forming and solving a quadratic equation, solve the equation 5*cosec(x) + cosec^2(x) = 2 - cot^2(x) in the interval 0<x<2*pi, giving the values of x in radians to three significant figures.

To solve the equation given in the question, we must first express the given equation in terms of only one trigonometric function, i.e. either all in cosec or all in cot. The easiest route would be cosec,...

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Answered by Nadia M. Maths tutor
8368 Views

Factorise x^2 - x - 6

You need 2 numbers that multiply together to make -6, and add together to make -1. The options to multiply to make -6 are: 6 and -1, -6 and 1, -3 and 2, 3 and -2. Looking at this list, the pair of numbers...

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Answered by Charlotte G. Maths tutor
5318 Views

Solve the equation 9x - 15 = 5 - x

This question is about rearranging the equation so that all the known variables are on one side and all the unknown variables are on the other side. To start with we can look at the x terms, remembering t...

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Answered by Ella S. Maths tutor
3661 Views

How does the equation of a circle work? What do the individual parts represent?

A student will often see the equation of a circle in the form (x-a)2+(y-b)2=r2. In this instance, a and b simply represent numbers. They are not variables. In fact, a repr...

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Answered by Milo L. Maths tutor
2882 Views

How do you solve an algebraic equation?

To solve an algebraic equation you need to rearrange it into the format x=? To do this there are a few rules and few steps

Rules:

  • wh...

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Answered by Ruth W. Maths tutor
2856 Views

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