Advanced 12 min read
3D Geometry: Extending Right Triangle Math to Three Dimensions
Extend right triangle principles to 3D space. Learn the 3D distance formula, space diagonals, and applications in engineering and computer graphics.
Read more
Advanced 10 min read
Inverse Trig Functions: Arcsin, Arccos & Arctan Explained
Learn inverse trigonometric functions (sin⁻¹, cos⁻¹, tan⁻¹) to find angles from ratios. Master arcsin, arccos, arctan with step-by-step examples.
Read more
Advanced 11 min read
Law of Cosines: Solve Any Triangle (Not Just Right Triangles)
Master the Law of Cosines for non-right triangles. Learn c² = a² + b² - 2ab·cos(C) for SAS and SSS cases with navigation examples.
Read more