Exact means no rounding
Exact means no rounding
In a right-angled triangle, the hypotenuse is opposite the right angle. Relative to the chosen angle θ\thetaθ, the other sides are called opposite and adjacent.
Step-by-step lessons on WJEC GCSE Maths Exact trig values. Each one builds up to exam-style questions. Build fluency with number, ratio and algebra first, since geometry, probability and statistics topics rely on them, and leave extra time nearer the exam for Higher-tier problem-solving and multi-step reasoning questions.