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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 45o − cos 45o sin 45o is

  1 / 4

  0

  1 / 2

  1

  3 / 4

  Half-n-half Clue 		 

2.

 [(sec A − tan A)(sec A + tan A)] + [(cosec A − cot A)(cosec A + cot A)]

  1

  sin2 A − cos2 A

  0

  1 / 2

  2

  Half-n-half Clue 		 

3.

 sec (90o − A) =

  cosec A

  sin A

  tan A

  cos A

  sec A

  Half-n-half Clue 		 

4.

 cosec (90o − A) =

  sec A

  sin A

  cos A

  tan A

  cosec A

  Half-n-half Clue 		 

5.

 (sin A + cos A)2 − 2 sin A cos A =

  2

  tan A

  1

  0

  sin2 A − cos2 A

  Half-n-half Clue 		 

6.

 sin (90o − A) / cos (90o − A) =

  tan A

  cot A

  cot (90o − A)

  1

  cosec A

  Half-n-half Clue 		 

7.

 cos (90o − A) / sin (90o − A) =

  tan (90o − A)

  1

  cot A

  sec (90o − A)

  tan A

  Half-n-half Clue 		 


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

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