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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 (90oA) =

  sec A

  sin A

  cos A

  cosec A

  tan A

  Half-n-half Clue
 

2.

sin4 A − cos4 A =

  tan2 A

  1

  0

  sin2 A − cos2 A

  cos2 A − sin2 A

  Half-n-half Clue
 

3.

sec (90oA) =

  sin A

  cos A

  sec A

  cosec A

  tan A

  Half-n-half Clue
 

4.

[(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
 

5.

The value of [1 + sin 60o + sin2 30o + sin2 60o + sin4 45o] [cos 30o − sin 60o] is

  12 / 13

  1 / 2

  1

  0

  13 / 12

  Half-n-half Clue
 

6.

sin (90oA) / cos (90oA) =

  cot (90oA)

  cosec A

  tan A

  1

  cot A

  Half-n-half Clue
 

7.

cos (90oA) / sin (90oA) =

  sec (90oA)

  tan (90oA)

  cot A

  1

  tan A

  Half-n-half Clue
 


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