Answer:
√5 /2- 1 or 0.1180 to the nearest 10,000th.
Step-by-step explanation:
3 sin A = 2
sin A = 2/3
The adjacent ( to < A) leg of the right triangle = √(3^2 - 2^2) = √5.
So cot A = adjacent / opposite = √5 / 2
and cot A - 1 = √5/2 - 1.
