# Double Angle Identities Quiz Questions and Answers 87 PDF Download

Learn double angle identities quiz, college math quiz online 87 to practice. Free math MCQs questions and answers to learn double angle identities MCQs with answers. Practice MCQs to test knowledge on double angle identities, parametric functions, when q(x) has non-repeated linear factors, arithmetic mean (am) worksheets.

Free double angle identities worksheet has multiple choice quiz question as 2cosαcosβ =, answer key with choices as cos(α + β)+ cos(α - β), cos(α + β)- cos(α - β), sin(α + β)+ sin(α - β) and sin(α + β)- sin(α - β) problem solving to test study skills. For viva learning help and jobs' interview preparation tips, study online trigonometric identities multiple choice questions based quiz question and answers.

## Quiz on Double Angle Identities Quiz PDF Download Worksheet 87

Double Angle Identities Quiz

MCQ. 2cosαcosβ =

- cos(α + β)+ cos(α - β)
- cos(α + β)- cos(α - β)
- sin(α + β)+ sin(α - β)
- sin(α + β)- sin(α - β)

A

Parametric Functions Quiz

MCQ. X = asecθ, y = btanθ are parametric equations of

- circle
- parabola
- ellipse
- hyperbola

D

Double Angle Identities Quiz

MCQ. Cos(α + β)-cos(α - β) =

- 2sinαcosβ
- 2cosαsinβ
- 2cosαcosβ
- −2sinαsinβ

D

when Q(x) has non-repeated linear factors Quiz

MCQ. X/(x+a)(x-a) =

- 1/2(x-a) + 1/2(x+a)
- 1/2(x²-a) + 1/2(x+a)
- 1/2(x²+a) + 1/2(x-a)
- None of Above

A

Arithmetic Mean (AM) Quiz

MCQ. A sequence in which any term divided by its immediate previous term gives a constant is called

- geometric sequences
- arithmetic sequences
- real sequence
- complex sequences

A