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In a triangle A B C, if cot A, cot B, co...

In a triangle `A B C,` if `cot A, cot B, cot C` are in A.P, then `a^(2), b^(2), c^(2)` are in

A

AP

B

GP

C

HP

D

none of these

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HIMALAYA PUBLICATION-MEASUREMENT OF ANGLES, TRIGONOMETRIC RATIOS AND RELATION BETWEEN SIDES AND ANGLES OF A TRIANGLE-QUESTION BANK
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