755 prompts matching "Solve the trigonometric equation cos^2(x) - sin^2(x) = 0.5, for 0 <= x <= 360"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
Rationalising a denominator with three surd terms
I am in SS 1. I'm going to explain rationalising a more unusual denominator involving more
Simplifying a surd expression before squaring
I am in SS 1. I attempted an Additional Maths question on why it matters to simplify a sur
Disjoint sets and what they mean
I am in SS 1. Teach me what it means for two sets to be disjoint, giving an example and dr
Survey word problem using a two-set Venn diagram
I am in SS 1. Teach me a classic survey word problem, such as a group of students where so
Survey word problem using a three-set Venn diagram
I am in SS 1. Quiz me with 5 short Additional Maths questions on a WAEC-style survey word
Using sets to test simple logical statements
I am in SS 1. Quiz me with 4 short Additional Maths questions on using sets to test whethe
De Morgan's laws for sets
I am in SS 1. Teach me De Morgan's laws for sets, (A union B)' = A' intersection B' and (A
Finding the nth term of an arithmetic sequence
I am in SS 1. I'm going to explain finding the nth term formula of an arithmetic sequence,
Sum of the first n terms of an arithmetic series
I am in SS 1. I attempted an Additional Maths question on using the formula Sn = n/2 (2a +
Sum of an arithmetic series given the first and last term
I am in SS 1. Teach me using the formula Sn = n/2 (a + l) to find the sum of an arithmetic
Finding the number of terms in an arithmetic series
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Sum of the first n terms of a geometric series
I am in SS 1. I'm going to explain using the formula Sn = a(r^n - 1)/(r - 1) to find the s
Recognising arithmetic vs geometric sequences
I am in SS 1. Teach me how to tell from a list of numbers whether a sequence is arithmetic
Finding an endpoint given the midpoint
I am in SS 1. Quiz me with 5 short Additional Maths questions on finding one endpoint of a
Gradient from a linear equation
I am in SS 1. I'm going to explain finding the gradient and y-intercept of a line directly
Equation of a line given gradient and one point
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on find
Equation of a line through two given points
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Sketching a straight line from its equation
I am in SS 1. Teach me sketching the graph of a straight line given its equation, correctl
Distance from a point to the centre of a circle
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on usin
Common mistakes in coordinate geometry formulas
Teach me the most common mistakes SS1 students make with coordinate geometry formulas, suc