51 results authored by Katie Lester  search across all users.

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More work on differentiation with trigonometric functions

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Using differentiation to find the tangent and normal to a line at a given point

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Finding the volumes of basic 3D shapes

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Finding lengths of sides of triangles

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Simple trig equations with degrees

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Simple trig equations with radians

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Trigonometric equations with degrees

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Trigonometric equations with radians

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More difficult trigonometric equations with degrees

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More difficult trigonometric equations with radians

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Using trig identities to find solutions to equations

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Coverting back from standard form

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Converting to standard form in both positive and negative powers

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More work with dividing and multiplying algebraic fractions

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Practice with fractions

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Basic solving of linear equations

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Solving linear equations

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Rearranging equations to change the subject

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Step by step solving for integration by substitution

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Step by step solving for integration by substitution

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Solving integration by substitution without help

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Solving integration by substitution and rearranging $u$ for $x$

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Factorising basic quadratics into linear expressions

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Factorising further basic quadratics into linear expressions

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Factorising further quadratics into linear expressions

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Factorising further quadratics into linear expressions using the formula

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Find $c$ and $d$ such that $x^2+ax+b = (x+c)^2+d$.

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Using the chain rule with polynomials

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Factorising polynomials using the highest common factor

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A basic introduction to differentiation