Revision for SEE Opt Math

1. क
े शवप्रसाद पराजुली
keshabprasadparajuli@gmail.com

2. What is trigonometric function?

3. Function of an angle expressed
as the ratio of two sides of a
right-angled triangle;
e.g. f(x)=sinx

4. Which set of numbers is
continuous?

5. Real

6. Express sin2A in terms of tanA.

7. A
A
2
tan
1
tan
2


8. What is angle of elevation?

9. Angle between a horizontal line
from the observer and the line
of sight to an object that is
above the horizontal line
object
Angle of elevation
Observer Horizen

10. In an inversion transformation if
P’ is image of P and r is radius
of inversion circle with center
O, write the relation of OP, OP’
and r.

11. OPxOP’=r2

12. What is the minimum value of y
for y=sinx?

13. -1

14. If the first term of any
arithmetic series is a and last
term is l, then write the
formula to find the sum of n
terms.

15. n(a+l)/2

16. Write the statement for
)
(
lim x
f
a
x 


17. This is left hand limit that x
approaches to a from the left in
the function f(x)

18. In which condition is the
inverse of a matrix defined?

19. If A is non singular i.e. its
determinant is not 0

20. What is formula for 1-cos2A?

21. 2sin2A

22. What is the image of (-6,3)
after rotation through -270
degree about the origin?

23. (-3,-6)

24. What is the inverse of g(x) if
g(2x+1)=x-3?

25. 2x+7

26. What is remainder theorem?

27. If a polynomial f(x) is divided
by (x-a) then the remainder is
f(a)

28. What is geometric series?

29. A series that has a constant
ratio between successive terms

30. What is the value of x?
0
4
4
3
2

x
x
x

31. 0 and 2/3

32. What are Dx and Dy?
2x-y=5
X-2y=1

33. -9, -3

34. The line passing through (-2,-5)
and (1,a) is perpendicular to
the line 2x-y+5=0, find the
value of a.

35. -13/2

36. What is the obtuse angle
between the lines?
2x-y+4=0
3x+y+3=0

37. 135 degrees

38. What is the value of A if
0
4
1
sin
sin2


 A
A

39. 30 degree

40. If quartile deviation =5 and
upper quartile =15, find the
coefficient of quartile
deviation.

41. 0.5

42. What is the equation of the
circle which passes through the
points (2,-1), (6,1) and (6,3)?

43. 0
3
4
6
2
2




 y
x
y
x

44. Thanks!