# Basic Trigonometric Identities Quiz Questions and Answers 45 PDF Download

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

Free basic trigonometric identities online course worksheet has multiple choice quiz question: tan(-135°) = with choices 1/√(2), −1/√(2), 3/√(2) and 1 with problems solving answer key to test study skills for online e-learning, formative assessment and jobs' interview preparation tips, study trigonometric identities multiple choice questions based quiz question and answers.

## Quiz on Basic Trigonometric Identities Worksheet 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 & 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