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PAKTURK Success is a ladder you cannot climb with your hands in your pockets 1
For more news and updates visit pakturkmaths.com
CLASS
XI
For any question mail us at info@pakturkmaths.com
Composed by Engin Baştürk FEDERAL BOARD
TYPE Objective Trigonometric Identities No 5
Q1:
cos11 sin11
............
cos11 sin11
 

 
A) cot56 B) tan56 C) tan56  D) cot56 
Q2:
2 2
sin cos ..........  
A) 1 B) 1 C) 0 D) cos2
Q3: sin ................. 
A) 2
1 cos   B) 2
1 cos  
C) 1 cos  D) 1 cos 
Q4: cos ................. 
A) 2
1 sin   B) 2
1 sin  
C) 1 sin  D) 1 sin 
Q5:
2 2
sin 2 cos 2 ..........  
A) 2 B) 1 C) 0 D) cos4
Q6:
2 2
sin 20 cos 20 .......... 
A) 1 B) 1 C) 0 D) 2
Q7:  sin 45 .............. 
A)  
1
sin cos
2
  B)  
1
sin cos
2
 
C)  
1
sin cos
2
  D)  
1
sin cos
2
 
Q8:  cos 45 ..............   
A)  
1
sin cos
2
  B)  
1
sin cos
2
 
C)  
1
cos sin
2
  D)  
1
cos sin
2
 
Q9:  tan ...........  
A)
tan tan
1 tan .tan
 
 


B)
tan tan
1 tan .tan
 
 


C)
tan tan
1 tan .tan
 
 


D)
tan tan
1 tan .tan
 
 


Q10:  tan ...........  
A)
tan tan
1 tan .tan
 
 


B)
tan tan
1 tan .tan
 
 


C)
tan tan
1 tan .tan
 
 


D)
tan tan
1 tan .tan
 
 


PAKTURK Success is a ladder you cannot climb with your hands in your pockets 2
Q11: tan2 ........... 
A) 2
tan 2
1 tan


B) 2
tan 2
1 tan


C) 2
2tan
1 tan


D) 2
2tan
1 tan


Q12: sin cos ...........
6 3
 
 
   
      
   
A) cos B) sin
C) sin D) cos
Q13:
cos8 sin8
............
cos8 sin8
 

 
A) cot37 B) tan37 C) tan37  D) cot37 
Q14: sin2 ............ 
A) sin cos  B) sin cos 
C) 2sin cos  D) 4sin cos 
Q15: cos2 ............ 
A)
2 2
cos sin  B)
2 2
cos sin 
C)
2
2sin 1  D)
2
1 2cos 
Q16: cos2 ............ 
A)
2 2
cos sin  B) cos sin 
C) cos sin  D)
2
2cos 1 
Q17: cos2 ............ 
A) 2
1 2sin  B) cos sin 
C) cos sin  D) 2 2
cos 2sin 
Q18: cos ............
2


A)
1 sin
2

 B)
1 cos
2


C)
1 cos
2

 D)
1 sin
2


Q19: sin ............
2


A)
1 sin
2

 B)
1 cos
2


C)
1 cos
2

 D)
1 sin
2


Q20: tan ............
2


A)
1 sin
sin



 B)
1 cos
1 cos





C)
1 cos
1 cos





D)
1 sin
sin




Answer Key
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 20

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Hssc i objective ch 10 no 5

  • 1. PAKTURK Success is a ladder you cannot climb with your hands in your pockets 1 For more news and updates visit pakturkmaths.com CLASS XI For any question mail us at info@pakturkmaths.com Composed by Engin Baştürk FEDERAL BOARD TYPE Objective Trigonometric Identities No 5 Q1: cos11 sin11 ............ cos11 sin11      A) cot56 B) tan56 C) tan56  D) cot56  Q2: 2 2 sin cos ..........   A) 1 B) 1 C) 0 D) cos2 Q3: sin .................  A) 2 1 cos   B) 2 1 cos   C) 1 cos  D) 1 cos  Q4: cos .................  A) 2 1 sin   B) 2 1 sin   C) 1 sin  D) 1 sin  Q5: 2 2 sin 2 cos 2 ..........   A) 2 B) 1 C) 0 D) cos4 Q6: 2 2 sin 20 cos 20 ..........  A) 1 B) 1 C) 0 D) 2 Q7:  sin 45 ..............  A)   1 sin cos 2   B)   1 sin cos 2   C)   1 sin cos 2   D)   1 sin cos 2   Q8:  cos 45 ..............    A)   1 sin cos 2   B)   1 sin cos 2   C)   1 cos sin 2   D)   1 cos sin 2   Q9:  tan ...........   A) tan tan 1 tan .tan       B) tan tan 1 tan .tan       C) tan tan 1 tan .tan       D) tan tan 1 tan .tan       Q10:  tan ...........   A) tan tan 1 tan .tan       B) tan tan 1 tan .tan       C) tan tan 1 tan .tan       D) tan tan 1 tan .tan      
  • 2. PAKTURK Success is a ladder you cannot climb with your hands in your pockets 2 Q11: tan2 ...........  A) 2 tan 2 1 tan   B) 2 tan 2 1 tan   C) 2 2tan 1 tan   D) 2 2tan 1 tan   Q12: sin cos ........... 6 3                    A) cos B) sin C) sin D) cos Q13: cos8 sin8 ............ cos8 sin8      A) cot37 B) tan37 C) tan37  D) cot37  Q14: sin2 ............  A) sin cos  B) sin cos  C) 2sin cos  D) 4sin cos  Q15: cos2 ............  A) 2 2 cos sin  B) 2 2 cos sin  C) 2 2sin 1  D) 2 1 2cos  Q16: cos2 ............  A) 2 2 cos sin  B) cos sin  C) cos sin  D) 2 2cos 1  Q17: cos2 ............  A) 2 1 2sin  B) cos sin  C) cos sin  D) 2 2 cos 2sin  Q18: cos ............ 2   A) 1 sin 2   B) 1 cos 2   C) 1 cos 2   D) 1 sin 2   Q19: sin ............ 2   A) 1 sin 2   B) 1 cos 2   C) 1 cos 2   D) 1 sin 2   Q20: tan ............ 2   A) 1 sin sin     B) 1 cos 1 cos      C) 1 cos 1 cos      D) 1 sin sin     Answer Key 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20