Class 10 Math

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Across
  1. 2. The value of sin A or cos A never exceeds _____
  2. 5. In a right triangle ABC, right angled at B, _____ = side opposite to angle A / hypotenuse
  3. 7. Polynomial of degree 1
  4. 9. alpha and beta are _______ letters
  5. 11. upward or downward curves used to graph a quadratic polynomial
  6. 12. polynomial of degree 3
  7. 13. Elimination and __________ methods are both algebraic methods for finding the solutions to a pair of linear equations
  8. 17. The common difference of the AP can be negative, positive or ______
  9. 18. 1/sin A
  10. 19. Fundamental Theorem of ___________
Down
  1. 1. The fixed number d in an AP is called the common __________
  2. 3. The ________ form of AP is a, a + d, a + 2d, a + 3d and so on
  3. 4. The trigonometric _______ of an acute angle in a right triangle express the relationship between the angle and the length of its sides
  4. 6. A pair of linear equations can be represented by the graphical and ______ method
  5. 8. If a, b, c are in AP, then b = a + c / 2 and b is called the arithmetic ______ of a and c
  6. 10. a graph of a quadratic equation has to cut the ______ to have a zero
  7. 12. If the lines in a graph intersect at a point or coincide, the pair of equations is?
  8. 14. a quadratic polynomial can have at most ___ zeroes
  9. 15. a n is called the general ______ of the AP
  10. 16. HCF X LCM = ______ of the numbers
  11. 20. c is the _____ term in the quadratic polynomial ax + by + c = 0