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College Math Certification Exam Tests

College Math Practice Test 45

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The Basic Trigonometric Identities Quiz Questions and Answers PDF (Basic Trigonometric Identities Quiz with Answers PDF e-Book) download Ch. 13-45 to prepare College Math Practice Tests. Solve Trigonometric Identities MCQ with answers PDF, Basic Trigonometric Identities Multiple Choice Questions (MCQ Quiz) for best ACT prep courses online. The Basic Trigonometric Identities Quiz App Download: Free learning app for basic trigonometric identities, binary operation, online math learning test prep for colleges that offer online classes.

The Quiz MCQ: Tan(-135°) =; "Basic Trigonometric Identities" App Download (Free) with answers: −1/√(2); 1/√(2); 3/√(2); 1; for best ACT prep courses online. Learn Trigonometric Identities Questions and Answers, Apple eBook to download free sample to learn online classes courses.

## Basic Trigonometric Identities Questions and Answers : MCQ 45

MCQ 221:

Tan(-135°) =

1. 1/√(2)
2. −1/√(2)
3. 3/√(2)
4. 1
MCQ 222:

If * is a binary operation in A then

1. A is closed under *
2. A is not closed under *
3. A is not closed under +
4. A is closed under -
MCQ 223:

Cos20°+cos100°+cos140° =

1. 2
2. 1
3. 0
4. −1
MCQ 224:

Every natural number is also

1. irrational number
2. Even integer
3. Negative integer
4. rational number
MCQ 225:

The negation of a given number is

1. binary operation
2. relation
3. unary operation
4. relation in some set