# Double Angle Identities MCQs Quiz Online PDF Download

Learn double angle identities MCQs, math test for online courses learning and test prep to practice. Double angle identities quiz has multiple choice questions (MCQ), double angle identities quiz questions and answers to learn for online algebra problems course test.

College math practice test MCQ on cot(α + β) = with options cotαcotβ-1/cotα+cotβ, cotαcotβ+1/cotα-cotβ, cotαcotβ+1/cotα+cotβ and none of above problem solving skills for viva, competitive exam prep, interview questions with answer key. Free study guide is for online learning double angle identities quiz with MCQs to practice test questions with answers.

## MCQs on Double Angle Identities Quiz 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