912 prompts matching "When the cosine rule is needed rather than the sine rule"
WAEC prep: Substitution when one equation is already solved for a variable
Act as my WAEC Mathematics coach. I am in SS 2. Take me through substitution when one equa
WAEC prep: Spotting the rule that generates a sequence
Act as my WAEC Mathematics exam coach. I am in SS 2. Show me how spotting the rule that ge
WAEC prep: Adding the indices when powers are multiplied
Act as my WAEC Mathematics coach. I am in SS 2. Take me through adding the indices when po
Spot my mistake: Finding a missing angle in a triangle from the other two
Act as my SS2 Mathematics tutor. Work a question on finding a missing angle in a triangle
Quiz: What the domain of a function is
Act as my SS2 Mathematics tutor and quiz me on what the domain of a function is. Ask five
WAEC prep: Finding a side with the cosine ratio
Act as my WAEC Mathematics coach. I am in SS 2. Take me through finding a side with the co
Worked Example: Sine rule for a missing side
Act as my SS2 Maths tutor. Work through one detailed example of how to use the sine rule t
WAEC Prep: Choosing sine rule versus cosine rule
Act as my WAEC Maths exam coach. I am in SS 2. Give me a typical WAEC-style question on ho
Quiz: Deciding whether a boundary is included or excluded
Act as my SS2 Mathematics tutor and quiz me on deciding whether a boundary is included or
WAEC Prep: Using the cosine ratio to find an angle
Act as my WAEC Mathematics coach. I am in SS 2. Take me through using the cosine ratio to
Quiz: Reflecting a shape in the x-axis
Act as my SS2 Mathematics tutor and quiz me on reflecting a shape in the x-axis. Ask five
Quiz: Why the conversion factor is squared or cubed
Act as my SS2 Mathematics tutor and quiz me on why the conversion factor is squared or cub
Spot my mistake: The area under a speed-time graph read as distance
Act as my SS2 Mathematics tutor. Work a question on the area under a speed-time graph read
Spot my mistake: Why a term-to-term rule needs a starting value
Act as my SS2 Mathematics tutor. Work a question on why a term-to-term rule needs a starti
Quiz: Finding a chord length from its distance from the centre
Act as my SS2 Mathematics tutor and quiz me on finding a chord length from its distance fr
Spot my mistake: Why the bars of a histogram touch
Act as my SS2 Mathematics tutor. Work a question on why the bars of a histogram touch with
WAEC Prep: Why the sign reverses when dividing by a negative
Act as my WAEC Mathematics coach. I am in SS 2. Take me through why the sign reverses when
Practice: Listing a set, and describing it by a rule
Act as my SS2 Mathematics tutor. Give me five practice questions on listing a set, and des
Practice: Substituting carefully when x is negative
Act as my SS2 Mathematics tutor. Give me five practice questions on substituting carefully
WAEC prep: Which case of a triangle the sine rule suits
Act as my WAEC Mathematics coach. I am in SS 2. Take me through which case of a triangle t