Question

if tan 2A =cot ofA-1 find value of A​

Answer 1

Answer:

91/3

Step-by-step explanation:

Tan2A = Cot(A-1)

Complementry

Tan(90-2A)=Cot(A-1)

Comparing angles

90-2A=A-1

90+1=3A

3A= 91

A=91/3

Answer 2

tan 2A =cot (A-1)

=>tan2A =tan (90-A+1)

=>2A=90-A+1

=>3A=91

=>A=91/3⁰

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