1001 Kids Math : Trigonometry Questions

The Kids Amazon's biggest best book on Geometry/Quadrilaterals that teach mathematics with tricky questions. The book is specifically made for kids with a several flash card type questions that make the kids easily learn mathematics. Also will help as a great time pass book. Teaches kids on trigonometry,Sin,Cos,Tan,Cot and several other categories.

The biggest book on Amazon for Mathematics/Trigonometry.

Varsi is best known author for several kids books.