# Basic Trigonometric Identities Quiz Questions and Answers 45 PDF Download

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

Free basic trigonometric identities worksheet has multiple choice quiz question as tan(-135°) =, answer key with choices as 1/√(2), −1/√(2), 3/√(2) and 1 problem solving to test study skills. For online learning, viva help and jobs' interview preparation tips, study trigonometric identities multiple choice questions based quiz question and answers.

## Quiz on Basic Trigonometric Identities Quiz PDF Download Worksheet 45

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. The negation of a given number is

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

C