This resource covers 3D Trigonometry, 3D Pythagoras, angles between a line and a plane, angles between two planes and sine/cosine rules.
KS3 Maths Curriculum Area
Geometry and measures Use the properties of faces, surfaces, edges and vertices of cubes, cuboids, prisms, cylinders, pyramids, cones and spheres to solve problems in 3-D.
Dr Frost is a maths teacher working at Tiffin School in London. You can find all of his resources at his website drfrostmaths.com, a huge bank of PowerPoints, worksheets and activities spanning Year 7 to Further Maths.