912 prompts matching "When the cosine rule is needed rather than the sine rule"
Worked Example: Treating like surds as though they were like terms (Show That / Hence Find)
I am in SS 2. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Wa
WAEC past-question style: Rationalising a denominator that is a single surd
Act as my WAEC Mathematics coach. I am in SS 2. Write me a question on rationalising a den
Teach Me (Cambridge Style): Multiplying top and bottom by the surd in the denominator
I am in SS 2. Teach me multiplying top and bottom by the surd in the denominator the way i
Spot My Mistake: Rationalising a denominator with a conjugate (IGCSE Marking)
I am in SS 2. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Sh
Teach Me (Cambridge Style): An index equation with the same base on both sides
I am in SS 2. Teach me an index equation with the same base on both sides the way it would
Spot My Mistake: An index equation solved by taking logarithms (IGCSE Marking)
I am in SS 2. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Sh
Explain Back: A logarithmic equation with logarithms on both sides (IGCSE/WAEC Revision)
I am in SS 2. Let me explain a logarithmic equation with logarithms on both sides back to
Worked Example: Adding the first n terms of an arithmetic progression by pairing them (Show That / Hence Find)
I am in SS 2. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Wa
IGCSE-style question: Proving that a sequence is arithmetic
I am a Year 11 pupil. Set me one full Cambridge IGCSE examination question on proving that
IGCSE-style question: The condition on the common ratio for a sum to infinity
I am a Year 11 pupil. Set me one full Cambridge IGCSE examination question on the conditio
Teach me (Cambridge style): The formula for the sum to infinity
I am a Year 11 pupil following the Cambridge syllabus. Teach me the formula for the sum to
Explain Back: Reading a sum written in sigma notation (IGCSE/WAEC Revision)
I am in SS 2. Let me explain reading a sum written in sigma notation back to you in my own
IGCSE-style question: Reading the limits written on a sigma
I am a Year 11 pupil. Set me one full Cambridge IGCSE examination question on reading the
Teach Me (Cambridge Style): The quadratic formula stated
I am in SS 2. Teach me the quadratic formula stated the way it would be explained for Camb
Quiz Me: Exam Prep on Solving Quadratics by Formula and Completing the Square
I am a Year 11 pupil. Quiz me on solving quadratic equations using the quadratic formula a
Worked Example: Completing the square step by step (Show That / Hence Find)
I am in SS 2. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Wa
Explain Back: Deciding which quadratic method a question is steering you towards (IGCSE/WAEC Revision)
I am in SS 2. Let me explain deciding which quadratic method a question is steering you to
Worked Example: Substituting the linear equation into the quadratic (Show That / Hence Find)
I am in SS 2. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Wa
Spot My Mistake: Adding two algebraic fractions with different denominators (IGCSE Marking)
I am in SS 2. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Sh
Worked Example: Subtracting one algebraic fraction from another (Show That / Hence Find)
I am in SS 2. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Wa