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যদি atanθ = x, bcotθ = y হয়, তেন্তে xyৰ মান হ'ব
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If atanθ = x, bcotθ = y, then the value of xy is
যদি atanθ = x, bcotθ = y হয়, তেন্তে xyৰ মান হ'ব
(A) a+b
(B) -1
(C) 1
(D) ab
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Feb 29
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Haren
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Best answer
Correct answer is
(D) ab
যদি atanθ = x, bcotθ = y হয়, তেন্তে xyৰ মান হ'ব ab.
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