NDA Maths Mock Test – 01 – Q77

Question:

Question 77

Question 77

Options:

  • 48
  • 72
  • 64
  • 36
  • 48
  • 72
  • 64
  • 36

Correct Answer: d)

Explanation:

‘ We ha√e,
! ld =2, =3 !
1 Le, 1
sax bf 4a bl
‘ =? B2 sin? 0 + @*b)* cos? 0
! =a? b)? (sin? 6 + cos? 6) = 36

‘ We ha√e,
! ld =2, =3 !
1 Le, 1
sax bf 4a bl
‘ =? B2 sin? 0 + @*b)* cos? 0
! =a? b)? (sin? 6 + cos? 6) = 36

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