1,306 prompts matching "Deriving the arithmetic series sum formula"
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Worked Example: The sum of the products of the roots of a cubic taken two at a time
Act as my SS3 Further Mathematics tutor. Take me through one full worked example on the su
Quiz: The compound angle formula for sine of A plus B
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Practice: The compound angle formula for cosine of A minus B
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Explain Back: The compound angle formula for tan of A plus B
I have just studied the compound angle formula for tan of A plus B in my SS3 Further Mathe
Spot My Mistake: The double angle formula for sine
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WAEC Prep: The three forms of the double angle formula for cosine
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Show All Working: The half angle formulae and the t-substitution
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Worked Example: The midpoint formula applied to a given segment
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WAEC Prep: The standard deviation of grouped data using an assumed mean
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Spot my mistake: Assuming AB and BA give the same matrix
Act as my SS3 Further Mathematics tutor. Write a short answer on assuming AB and BA give t
Spot my mistake: Assuming moments may only be taken about the pivot and never about another point
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Spot my mistake: Assuming the normal curve meets the horizontal axis at its points of inflexion
Act as my SS3 Further Mathematics tutor. Write a short answer on assuming the normal curve
Teach me the normal distribution standardisation formula
I am in SS 3. Teach me how and why we standardise a normal random variable using z = (X -
Structured question: find the nth term and a specific term of an AP
I am in SS 3. Give me a structured arithmetic progression question where I first find the
Spot my mistake: geometric progression sum to infinity
I am in SS 3. I will show you my working for a sum to infinity question. Check whether I v
Function notation applied to a real-world formula
I am in SS 3. I'm going to explain interpreting a real-world formula, such as cost as a fu
Cambridge-style question: change of base formula
I am in SS 3. Give me an Additional Maths question requiring the change of base formula to
Find the number of ways command word: combinations
I am in SS 3. Set me an exam question phrased 'find the number of ways', involving choosin
Show that command word: Pascal's triangle row sums to a power of 2
I am in SS 3. Set me a 'show that' question asking me to show that the sum of the entries
Give me an exam formula sheet for quadratic factorisation
I am in SS 3. Build me a short formula sheet covering every formula I need for factorising