In Module 7 (M7) Graphs, you learned that simultaneous equations, where one of the graphs ... Complete a right-angled triangle with the tangent as its hypotenuse. \(\text{gradient of tangent} ...

Math equations can feel like a banal abstraction ... an essential relation in geometry among three sides of a triangle: a 2 + b 2 = c 2. When the triangle has a right angle, the square of the ...

The top part of that image is the equation itself. The bottom part is a graph of the equation, which, as you can see, is exactly the same. To be fair, this equation cheats a little bit.