College of Admission Tests Multan

Fundamentals and Basic Identities

Solve the question of and select the option from the choices A through D/E. Check your Answer and view the explanation.

Question: 3

c o t ( x ) t a n ( x ) c o s ( x )
  • cos ( x ) × tan ( x )
  • cot ( x ) / s e c ( x )
  • cos ( x )
  • sec ( x )
  • csc ( x )

  Show/Hide Explanation 

Correct Answer: D

cot ( x ) × tan ( x ) = 1

and

1 / ( cos ( x ) ) = sec ( x )