Question

If tan 2A = cot(A + 60) find the value of A where 2A

Answer 1

Answer:

A=10°

Step-by-step explanation:

Cot(A+60°)

=Tan(90-(A+60°))

=Tan(30-A)

Tan2A=Cot(A+60°)

Tan2A=Tan(30°-A)

2A=30°-A

2A+A=30°

3A=30°

A=30°/3

A=10°

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