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Find the value of cot 12^@ cot38^@cot 52^@cot78^@cot60^@.
Simplify cos 12^∘cot 38^∘cot 52^∘cot 60^∘cot 78^∘
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প্রমাণ করো যে, cot 12^@ cot 38^@ cot 52^@ cot 78^@ cot 60^@ = 1/(sqrt 3)