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Math : Trigonometry
Practice Exercise for Trigonometry Module 2 :
Trigonometric Functions & Identities


In each of the following questions, consider a right-angled triangle ABC with the right angle at B.

Formats Worksheet / Test Paper Quiz Review
Multiple choice

Your Performance  

1.

 The value of tan 60o cos 30o − sin 60o tan 30o is

  2

  1 / 2

  3 / 2

  1

  0

  Half-n-half Clue 		 

2.

 [cosec2 A − 1] s cos (90o − A) / sin (90o − A) =

  cos A

  1

  cot A

  tan A

  sin A

  Half-n-half Clue 		 

3.

 sin2 A − sec2 A + cos2 A + tan2 A =

  cosec A

  cot A

  1

  0

  cosec 2A

  Half-n-half Clue 		 

4.

 The value of sin2 30o + cos2 30o is

  1 / 4

  3 / 2

  1 / 2

  1

  0

  Half-n-half Clue 		 

5.

 1/(1 + cot2 A) + 1/(1 + tan2 A) =

  1

  sin2 A

  0

  sin2 A/cos2 A

  cos2 A

  Half-n-half Clue 		 

6.

 sin4 A − cos4 A =

  tan2 A

  cos2 A − sin2 A

  1

  0

  sin2 A − cos2 A

  Half-n-half Clue 		 

7.

 (sin A + cos A)2 − 2 sin A cos A =

  0

  sin2 A − cos2 A

  2

  tan A

  1

  Half-n-half Clue 		 


 
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Related Link(s)
  • Trigonometry Module 2 : Trigonometric Functions and Identities

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