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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

1.

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

Half-n-half Clue

2.

(sin A + cos A)2 − 2 sin A cos A =
 sin2 A − cos2 A 1 tan A 2 0

Half-n-half Clue

3.

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

Half-n-half Clue

4.

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

Half-n-half Clue

5.

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

Half-n-half Clue

6.

sin4 A − cos4 A =
 sin2 A − cos2 A tan2 A 1 cos2 A − sin2 A 0

Half-n-half Clue

7.

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

Half-n-half Clue

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