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Kundan Singh

· started a discussion

· 1 Months ago

problem (Question: 198225.0 )

sir pls explain

Question:
If tan (x + y). tan (x – y) = 1, then find the value of tan \(\cfrac{2x}{3}\) .  
Options:
A) \(\cfrac{1}{\sqrt{3}} \)
B) \(\cfrac{2}{\sqrt{3}}\)
C) \(\sqrt{3}\)
D) 1
Solution:
Ans: (a)


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