class 10 mathematics textbooks 1.REAL NUMBERS 2.POLYNOMIALS3. PAIR OF LINEAR EQUATION WITH TWO VARIABLES4.QUADRATIC EQUATIONS5.ARITHMETIC PROGRESSION6.TRIANGLES7.COORDINATE GEOMETRY8.INTRODUCTION TO TRIGNOMETRY9.SOME APPLICATIONS OF TRIGNOMETRY10.CIRCLES11.CONSTRUCTIONS12.AREA RELATED TO CIRCLE13.SURFACE AREAS AND VOLUME14.STATISTICS15.PROBABILITY