[Solution] Prove the following identity: tan A tan (A/2)= sec
Question: Prove the following identity:
\[\tan A\tan \left( \frac{A}{2} \right)=\sec A-1\]
Deliverable: Word Document 
![[Step-by-Step] Prove the trigonometric identity: tan (α](/images/solutions/MC-solution-library-39427.jpg "[Step-by-Step] Prove the trigonometric identity: tan (α")
[Step-by-Step] Prove the trigonometric identity: tan (α
(Step-by-Step) Prove the following identity: sin (α +β
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[See Steps] Prove the following identity: cot (α +β
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[Solution] Prove the trigonometric identity: sin [ kt-(π)/(4)
(Step-by-Step) Use techniques of algebra and basic trigonometric
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