Math, asked by Anonymous, 18 hours ago

If tan 2A = cot (A – 18°), where 2A is an acute angle, find the value of A.

Answers

Answered by ExoticQuail

4

tan a = cot(90-a)

Here, tan 2a = cot (a - 18)

tan 2a= cot(90- 2a )

cot(90-2a)=cot (a - 18)

90-2a = a-18

90+18=a+2a

3a=108

a= 36

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