# Double Angle Identities Quiz Questions and Answers 87 PDF Download

Learn double angle identities quiz, online college math test 87 for online courses, distance learning. 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) for past papers exam questions with answers.

Free double angle identities course worksheet has multiple choice quiz question as 2cosαcosβ = with options 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) with problems solving answer key to test study skills for online e-learning, viva help and jobs' interview preparation tips, study 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