1,460 prompts matching "The cosine rule when the angle turns out obtuse"
Practice set: The empty set and the universal set
Act as my SS1 Mathematics tutor. Give me five practice questions on the empty set and the
Worked example: The number of elements in a set
Act as my SS1 Mathematics tutor. Take me through one full worked example on the number of
Word problem: The complement of a set in a survey problem
Act as my SS1 Mathematics tutor. Give me three word problems on the complement of a set in
Teach me: All the members of two sets together
You are my personal SS1 Mathematics tutor. Teach me all the members of two sets together,
Practice set: The difference of two sets
Act as my SS1 Mathematics tutor. Give me five practice questions on the difference of two
Worked example: The formula for the number in a union
Act as my SS1 Mathematics tutor. Take me through one full worked example on the formula fo
WAEC pitfalls: Counting the overlap twice in a union
Act as my SS1 Mathematics tutor. Show me the mistake candidates most often make on countin
Worked example: The converse, inverse and contrapositive
Act as my SS1 Mathematics tutor. Take me through one full worked example on the converse,
Word problem: The bi-conditional
Act as my SS1 Mathematics tutor. Give me three word problems on the bi-conditional, set in
Practice set: The truth table for conjunction and disjunction
Act as my SS1 Mathematics tutor. Give me five practice questions on the truth table for co
Teach me: What changing the subject of a formula means
You are my personal SS1 Mathematics tutor. Teach me what changing the subject of a formula
Word problem: Substituting after rearranging, rather than before
Act as my SS1 Mathematics tutor. Give me three word problems on substituting after rearran
Worked example: Using the constant to predict a further value
Act as my SS1 Mathematics tutor. Take me through one full worked example on using the cons
Word problem: Recognising the type of variation from a table
Act as my SS1 Mathematics tutor. Give me three word problems on recognising the type of va
WAEC pitfalls: Cancelling a factor containing the unknown and losing a root
Act as my SS1 Mathematics tutor. Show me the mistake candidates most often make on cancell
Teach me: Why completing the square works
You are my personal SS1 Mathematics tutor. Teach me why completing the square works, worki
Worked example: Substituting into the quadratic formula carefully
Act as my SS1 Mathematics tutor. Take me through one full worked example on substituting i
Word problem: The discriminant and the number of roots it predicts
Act as my SS1 Mathematics tutor. Give me three word problems on the discriminant and the n
WAEC pitfalls: Dropping the plus-or-minus from the formula
Act as my SS1 Mathematics tutor. Show me the mistake candidates most often make on droppin
Exam timing: A timed set of formula and completing-the-square questions
Act as my SS1 Mathematics tutor. Set me a timed run of questions on a timed set of formula