Math, asked by sanishdsilva, 10 months ago

if tan 2A=cot ( A-18°),where 2A is an acute angle,find the value of A???easy method

Answers

Answered by DrNykterstein

0

==> tan 2A = cot ( A - 18 )

==> tan 2A = tan ( 90 - ( A - 18) )

==> 2A = 90 - A + 18

==> 3A = 108

==> A = 36

Value of A is 36

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