# Double Angle Identities Questions and Answers PDF Download eBook - 87

Double Angle Identities trivia questions and answers, double angle identities quiz answers PDF 87 to practice math exam questions for online classes. Practice "Trigonometric Identities" trivia questions and answers, double angle identities Multiple Choice Questions (MCQs) for online college degrees. Free double angle identities MCQs, when q(x) has non-repeated linear factors, parametric functions, double angle identities test prep for online college courses.

"2cosαcosβ =", double angle identities Multiple Choice Questions (MCQs) with choices *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)* for GRE test prep classes. Practice trigonometric identities questions and answers to improve problem solving skills for online colleges that offer certificate programs.

## Trivia Quiz on Double Angle Identities PDF Download eBook

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

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

- circle
- parabola
- ellipse
- hyperbola

D

MCQ: Cos(α + β)-cos(α - β) =

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

D

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

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