[Solved] Prove the following identity: cot (α +β)=(cot α cot β -1)/(cot α + cot β
Question: Prove the following identity:
\[\cot \left( \alpha +\beta \right)=\frac{\cot \alpha \cot \beta -1}{\cot \alpha +\cot \beta }\]
Deliverable: Word Document 
![[Solution] Prove the trigonometric identity: sin [](/images/solutions/MC-solution-library-39430.jpg "[Solution] Prove the trigonometric identity: sin [ kt-(π)/(4)")
[Solution] Prove the trigonometric identity: sin [ kt-(π)/(4)
(Step-by-Step) Use techniques of algebra and basic trigonometric
![[See Steps] Use techniques of algebra and](/images/solutions/MC-solution-library-39432.jpg "[See Steps] Use techniques of algebra and basic trigonometric identities")
[See Steps] Use techniques of algebra and basic trigonometric identities
![[Steps Shown] Use techniques of algebra and](/images/solutions/MC-solution-library-39433.jpg "[Steps Shown] Use techniques of algebra and basic trigonometric identities")
[Steps Shown] Use techniques of algebra and basic trigonometric identities
(Steps Shown) Use techniques of algebra and basic trigonometric
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