1,045 prompts matching "The compound angle formula for tan of A plus B"
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Simplify the surd expression sqrt(50) - sqrt(8)
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Simplify the surd expression (3+sqrt2)(3-sqrt2)
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Simplify the surd expression 5/(1+sqrt3)
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Simplify the surd expression (2+sqrt5)^2
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Worked example: solve x^2+4x+13=0 giving the roots as complex numbers
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Worked example: determine whether p IMPLIES q is logically equivalent to (NOT p) OR q
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Real-life application of measures of dispersion
Act as my SS2 Further Maths tutor. Explain a real-life or practical situation where measur
Real-life application of sum and product of roots
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Non-calculator completing the square with fractional coefficients
I am in SS 2. Set me a non-calculator completing the square question where the coefficient
Find alpha squared plus beta squared using sum and product
I am in SS 2. Give me an Additional Maths style question where I know alpha+beta and alpha
Show all your working command word: simultaneous equations
I am in SS 2. Set me a linear-quadratic simultaneous equations question that instructs 'sh
Non-calculator paper: subtract polynomials and state the degree
Set me a non-calculator question where I subtract one polynomial from another, simplify, a
Spot My Mistake: Solving a quadratic that must be rearranged before factorising
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Common Mistakes: Writing down the roots once the brackets are found
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Practice: Working through a quadratic by completing the square, step by step
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Spot My Mistake: Completing the square when the roots are not real
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Final Revision: Why completing the square always works
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Practice: Giving the roots correct to two decimal places
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Quiz: Finding the sum and the product without solving the equation
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Practice: Forming an equation from a given sum and product
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