NDA MATHS QUESTION BANK

(sacavldel) #1

  1. What is sin , * ( )+-,
    where x>0, equal to?


(a) √(^


(^) )
( )^ (b) √
( )
( )^ (c)
( )
( )^ (d)
(x^2 2 )
(x^2 1 )^



  1. tan 0. /.^
    /^1
    is equal to:


(a) 1 2aa 2 (b)^
(c)


2a
1 a^2 (d) none of
these



  1. x+ + is


equal to:


(a) π (b) π 2 (c) 3π 2 (d) none of these



  1. The value of sin ( ) is:


(a) √ (b) x (c) ( 1 x^2 )^3 ⁄^2 (d)
( 1 x^2 )^1 ⁄^2



  1. The value of expression tan


0 π 4 12 cos^1 ab 1 + tan 0 π 2 12 cos^1 ab 1 is:


(a) 2ab (b) 2ba (c) ba (d) ba



  1. 0 √√^ √√ 1 is equal to:


(a) π-x (b) 2π-x (c) 2 x (d) π- x 2



  1. The value of sin ( ) is:
    (a) 0.96 (b) 0.48 (c) 0.64 (d) none of
    these

  2. If
    then:
    (a) xyz=0 (b)
    2xyz=0 (c)
    xyz=1 (d) 2xyz=


1 7. If + , then x
is equal to:

(a) √^ (b) - (^) √^ (c) ±√^ (d) ±^



  1. If 2
    ( ) ( ), then
    the value of x is:
    (a)^ (b)^ (c)^ (d) none of these

  2. The value of sin 0. √ / 1
    is:
    (a) √ (b) - √ (c)^ (d) -

  3. tan 0.^ / 1 is equal to:
    (a)^ (b) - (c) (d) -

  4. cos 0 1 is equal to:


(a)^ √^ (b) - √ (c)^ (d) -



  1. is equal to:
    (where x>y>0)
    (a) - (b)^ (c)^ (d) none of these




  2. ( ) ( ) is
    equal to:
    (a) 5 (b) 13 (c) 15 (d) 6




  3. If 3
    +2 , then value of x is:
    (a) √ (b) √^ (c) 1 (d) none of these




  4. If tan ( )= sin. (^) /, then
    x is equal to:
    (a) ±^ (b) ± √ (c) ± √^ (d) none of
    these



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