# Basic Trigonometric Identities Quiz Questions 45 Tests pdf Download

Practice college math MCQ test 45 to learn basic trigonometric identities quiz online. Free math quiz questions and answers to learn trigonometric identities. Practice MCQs to test knowledge on basic trigonometric identities, binary operation, online math learning, rational numbers and irrational numbers worksheets.

Free math worksheets has multiple choice quiz questions as tan(-135°) =, answer key with choices as 1/√(2), −1/√(2), 3/√(2) and 1 to test study skills. For e-learning, study online trigonometric identities multiple choice questions based quiz questions and answers.

## Quiz on Basic Trigonometric Identities: Worksheets 45 Quiz pdf Download

Basic Trigonometric Identities Quiz

MCQ. Tan(-135°) =

- 1/√(2)
- −1/√(2)
- 3/√(2)
- 1

D

Binary Operation Quiz

MCQ. If * is a binary operation in A then

- A is closed under *
- A is not closed under *
- A is not closed under +
- A is closed under -

A

Online Math Learning Quiz

MCQ. Cos20°+cos100°+cos140° =

- 2
- 1
- 0
- −1

C

Rational Numbers and Irrational Numbers Quiz

MCQ. Every natural number is also

- irrational number
- Even integer
- Negative integer
- rational number

D

Binary Operation Quiz

MCQ. Negation of a given number is

- binary operation
- relation
- unary operation
- relation in some set

C