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# Double Angle Identities Multiple Choice Questions (MCQ) PDF Download

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The Double Angle Identities Multiple Choice Questions (MCQ Quiz) with Answers PDF, Double Angle Identities MCQ PDF e-Book download to practice College Math Tests. Learn Double Angle Identities Multiple Choice Questions and Answers (MCQs), Double Angle Identities quiz answers PDF to study online training courses. The Double Angle Identities MCQ App Download: Free learning app for double angle identities test prep for online colleges for teaching.

The MCQ: 1+cos2α =; "Double Angle Identities" App Download (Free) with answers: 2sinα; 2cosα; 2secα; 2cos²α; to study online training courses. Practice Double Angle Identities Quiz Questions, download Google eBook (Free Sample) for GRE test prep classes.

## Double Angle Identities MCQs: Questions and Answers

MCQ 1:

cot(α + β) =

1. cotαcotβ-1/cotα+cotβ
2. cotαcotβ+1/cotα-cotβ
3. cotαcotβ+1/cotα+cotβ
4. None of Above
MCQ 2:

1+cos2α =

1. 2sinα
2. 2cosα
3. 2secα
4. 2cos²α
MCQ 3:

cos(α + β)cos(α - β) =

1. cos²α-sin²β
2. sin²α-cos²β
3. 2cosα
4. 2sinα
MCQ 4:

cosecθ+2cosec2θ/secθ =

1. tanα/2
2. −tanα/2
3. −cotα/2
4. cotα/2
MCQ 5:

cos2α =

1. 1+ tan²α/1 - tan²
2. 2tanα/1 - tan²
3. 1- tan²α/1 + tan²
4. None of Above

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