Question

tan2Atan3A=1
,then find the value of A​

Answer 1

Step-by-step explanation:

Given that tan2Atan3A = 1

=> tan2A = cot3A

we know that , 

tan ( 90 - A) = cot A

then tan 2A = cot ( 90 - 2A )

so, cot ( 90 - 2A ) = cot 3A          {given in ques. that tan 2A = cot 3A}

we get , 

90 - 2A = 3A

5A = 90

A = 18 

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Answer 2

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