tan(60°-A)-Cot(25°+A)
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Tan (60-A) - cot (25+A)
=> tan ( 60-A ) - tan ( 90 -25 + A ) = 0
=> tan (60-A) - tan (65+A) = 0
=> 60-A - (65+A ) = 0
=> 60-65 - 2A= 0
=> -2A = 5
=> A= 5/-2
=>
=> tan ( 60-A ) - tan ( 90 -25 + A ) = 0
=> tan (60-A) - tan (65+A) = 0
=> 60-A - (65+A ) = 0
=> 60-65 - 2A= 0
=> -2A = 5
=> A= 5/-2
=>
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