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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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Best answer

Correct answer is (D) ab

যদি atanθ = x, bcotθ = y হয়, তেন্তে xyৰ মান হ'ব ab.

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