# Double Angle Identities MCQs Test Online PDF Book Download

Double angle identities multiple choice questions (MCQs), double angle identities test prep for online learning with college degree certificate eCourses. Learn double angle identities multiple choice questions (MCQs), double angle identities quiz questions and answers. Career test on double angle identities test for online algebra problems courses distance learning.

Learn double angle identities practice test MCQs: 1+cos2α =, for free online courses with options 2sinα, 2cosα, 2secα, 2cos²α for quick online bachelor degree programs. Free skills assessment test is for e-learning online double angle identities quiz questions for competitive assessment in math major.

## MCQ on Double Angle IdentitiesQuiz Book 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