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Across 1. Rectangular array of numbers 4. An tiny or infinitesimal change in the value of variable 8. The side of right triangle 10. A Figure what made with 3 dotes 12. A triangle with 90 degrees 14. Made from 2 dotes 15. A Figure,which have equal length sides

Down 2. The set of all real numbers between two given numbers 3. Oy 5. sin,cos,tan,ctan are related to... 6. Ox 7. Relation of f to x 9. The study of geometric figures 11. Unit for measuring angles 13. 3D square