If tan A = 3/4 and A + B = 90°, then what is the value of cot B ?
Given,
tan A = 3/4 and
A + b = 90°
So we have,
A = 90° - B
So,
tan A = tan (90° - B) = 3/4
∵ cot B = tan A
Therefore,
cot B = 3/4