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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

1.

cos (90oA) / sin (90oA) =
 tan (90o − A) cot A tan A 1 sec (90o − A)

Half-n-half Clue

2.

The value of [1 + sin 60o + sin2 30o + sin2 60o + sin4 45o] [cos 30o − sin 60o] is
 13 / 12 1 1 / 2 12 / 13 0

Half-n-half Clue

3.

The value of tan 45o + cos 0 + sin 90o is
 1 3 0 1 / 2 2

Half-n-half Clue

4.

[(sec A − tan A)(sec A + tan A)] + [(cosec A − cot A)(cosec A + cot A)]
 0 1 / 2 sin2 A − cos2 A 2 1

Half-n-half Clue

5.

The value of tan 45o − cos 45o sin 45o is
 1 / 2 0 3 / 4 1 1 / 4

Half-n-half Clue

6.

sin2 A − sec2 A + cos2 A + tan2 A =
 cosec 2A cot A 0 cosec A 1

Half-n-half Clue

7.

The value of tan 60o cos 30o − sin 60o tan 30o is
 1 2 0 1 / 2 3 / 2

Half-n-half Clue 5 more pages in Trigonometry