# Double Angle Identities MCQs Quiz Online PDF Download

Learn double angle identities MCQs, college math online test for distance education, online college courses prep. Practice double angle identities multiple choice questions (MCQs), double angle identities quiz questions and answers. ETS GRE test prep on double angle identities tutorials for online algebra problems courses distance learning.

Study bachelors and masters in mathematics degree MCQs: cot(α + β) =, for online college courses with choices cotαcotβ-1/cotα+cotβ, cotαcotβ+1/cotα-cotβ, cotαcotβ+1/cotα+cotβ for online bachelor of science, masters of science and bachelor degree courses preparation. Free skills assessment test is for online learn double angle identities quiz questions with MCQs, exam preparation questions and answers.

## MCQs on Double Angle IdentitiesQuiz PDF Download

MCQ: Cot(α + β) =

- cotαcotβ-1/cotα+cotβ
- cotαcotβ+1/cotα-cotβ
- cotαcotβ+1/cotα+cotβ
- None of Above

A

MCQ: 1+cos2α =

- 2sinα
- 2cosα
- 2secα
- 2cos²α

D

MCQ: Cos(α + β)cos(α - β) =

- cos²α-sin²β
- sin²α-cos²β
- 2cosα
- 2sinα

B

MCQ: Cosecθ+2cosec2θ/secθ =

- tanα/2
- −tanα/2
- −cotα/2
- cotα/2

B

MCQ: Cos2α =

- 1+ tan²α/1 - tan²
- 2tanα/1 - tan²
- 1- tan²α/1 + tan²
- None of Above

C