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(cot A-1)(cot B-1)=2...

(cot A-1)(cot B-1)=2

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If A + B = 45^@ , then (cot A-1) (cot B-1) is equal to......... A) 0 B) 2 C) 1 D) 4

If A+B=45^(@), then (cot A-1)(cot B-1) is equal to

IF A +B = 45 ^@ , then ( cot A -1) ( cot B-1) is equal to

If A+B=45^@ then then (cot A- 1) (cot B- 1) is equal to :

A+B=135^(@)rArr(1+cot A)(1+cot B)=

A+B=135^(@)rArr(1+cot A)(1+cot B)=

If A + B = 45^(@), " then " (cot A - 1) ( cot B - 1) is

If A+B=135^(@) " then " (1+ cot A ) (1+cot B)=