Question

please answer I will mark u brainlest​

Answer 1

Answer:

10°

Step-by-step explanation:

as given by Question,

tan 2A=cot (A+60°)

=> Cot(90°-2A) =Cot(A+60°)

=> 90°-2A =A+60° (as 2A is an acute angle)

=> 3A=30°

=> A=10° Ans.

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(as you promised