### Trigonometry Trivia Quiz The most ancient subject studied by scholars all over the world is Trignometry. Trigonometry was invented because its need arose in astronomy. Trigonometry is also used in geography and in navigation. The knowledge of trigonometry is used to construct maps. So take this quiz and increase your knowledge about Trignometry.

#### 1. Find tan P-cot R is.....

 77592 0 77593 2 77594 3 77595 1

#### 2. What is the value of tan 45?

 77596 0 77597 1 77598 4 77599 3

#### 3. The value of sin? and cos (90° – ?).....

 77600 Are same 77601 Are different 77602 No relation 77603 Information insufficient

#### 4. The value of (tan1° tan2° tan3° ... tan89°) is.....

 77604 0 77605 1 77606 2 77607 1/2

#### 5. If sin A = 1/2 and cos B = 1/2, then A + B =....

 77608 100 77609 300 77610 600 77611 900

#### 6. If cos (A + B) = 0, then sin (A – B) is reduced to......

 77612 Cos A 77613 Cos 2B 77614 Sin A 77615 Sin 2B

#### 7. If cos A = 4/5, then tan A =?

 77616 3/5 77617 4/3 77618 3/4 77619 4/5

#### 8. If sin A + sin2 A = 1, then cos2 A + cos4 A =......

 77620 1 77621 0 77622 2 77623 4

#### 9. The value of tan30°/cot60° is.....

 77624 1/v2 77625 1/v3 77626 v3 77627 1