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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.

 cot A [cos (90o − A) / sin (90o − A)] =

  tan2 A

  cot2 A

  cot A

  tan A

  1

  Half-n-half Clue 		 

2.

 The value of tan 45o − cos 45o sin 45o is

  0

  1 / 2

  1

  1 / 4

  3 / 4

  Half-n-half Clue 		 

3.

 [1 + sin A + sin2 A + sin3 A + sin4 A] s [

  0

  cos A

  1

  tan A

  sin A

  Half-n-half Clue 		 

4.

 sin (90o − A) / cos (90o − A) =

  1

  cosec A

  cot (90o − A)

  cot A

  tan A

  Half-n-half Clue 		 

5.

 The value of tan 45o + cos 0 + sin 90o is

  1

  2

  1 / 2

  3

  0

  Half-n-half Clue 		 

6.

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

  0

  1

  3 / 2

  2

  1 / 2

  Half-n-half Clue 		 

7.

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

  cos A

  tan A

  sin A

  cot A

  1

  Half-n-half Clue 		 


 
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  • Trigonometry Module 2 : Trigonometric Functions and Identities

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