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cot 16 cot 44 + cot 44 cot 76 - cot 76 c...

`cot 16 cot 44 + cot 44 cot 76 - cot 76 cot 16=`

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In an acute angled triangle, cot B cot C + cot A cot C + cot A cot B

In an acute angled triangle, cot B cot C + cot A cot C + cot A cot B

If A + B + C = pi , show that cot A cot B + cot B cot C + cot C cot A = 1

cot16cot44+cot44cot76-cot76cot16=

cot16^0cot44^0+cot44^0cot76^0-cot76^0cot16^0 = (a) 1 (b) 2 (c) 3 (d) 4

cot16^0cot44^0+cot44^0cot76^0-cot76^0cot16^0 = (a) 1 (b) 2 (c) 3 (d) 4

cot16^0cot44^0+cot44^0cot76^0-cot76^0cot16^0 = (a) 1 (b) 2 (c) 3 (d) 4

If A + B + C =180^@ , prove that : cot B cot C + cot C cot A + cot A cot B = 1 .

a cot A+b cot B+c cot C=