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

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The MCQ Cot(α + β) =: cotαcotβ-1/cotα+cotβ, cotαcotβ+1/cotα-cotβ, cotαcotβ+1/cotα+cotβ with "Double Angle Identities" App Download (Free) to learn online training courses. Study double angle identities quiz questions, download Google eBook (Free Sample) for best online SAT prep class.

## Double Angle Identities MCQ Quiz : Math MCQs

MCQ 1: cot(α + β) =

A) cotαcotβ-1/cotα+cotβ
B) cotαcotβ+1/cotα-cotβ
C) cotαcotβ+1/cotα+cotβ
D) None of Above

MCQ 2: 1+cos2α =

A) 2sinα
B) 2cosα
C) 2secα
D) 2cos²α

MCQ 3: cos(α + β)cos(α - β) =

A) cos²α-sin²β
B) sin²α-cos²β
C) 2cosα
D) 2sinα

MCQ 4: cosecθ+2cosec2θ/secθ =

A) tanα/2
B) −tanα/2
C) −cotα/2
D) cotα/2

MCQ 5: cos2α =

A) 1+ tan²α/1 - tan²
B) 2tanα/1 - tan²
C) 1- tan²α/1 + tan²
D) None of Above

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