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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 (90oA) / sin (90oA)] =

  cot2 A

  cot A

  tan A

  1

  tan2 A

  Half-n-half Clue
 

2.

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

  cos A

  1

  sin A

  tan A

  0

  Half-n-half Clue
 

3.

sec (90oA) =

  cosec A

  sin A

  cos A

  tan A

  sec A

  Half-n-half Clue
 

4.

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

  3 / 4

  1

  0

  1 / 4

  1 / 2

  Half-n-half Clue
 

5.

sin4 A − cos4 A =

  0

  tan2 A

  1

  cos2 A − sin2 A

  sin2 A − cos2 A

  Half-n-half Clue
 

6.

cosec (90oA) =

  cosec A

  tan A

  sec A

  cos A

  sin A

  Half-n-half Clue
 

7.

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

  sin A

  tan A

  cos A

  1

  cot A

  Half-n-half Clue
 


 
5 more pages in Trigonometry


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