Question

in an isosceles triangle abc, if the altitude intersect on the inscribe circle then the cosine of the vertical angle A

Answer 1

Answer:

I do not know.....

Step-by-step explanation:

sorry guys....

Answer 2

Answer:

Answer is 1/9

Step-by-step explanation:

I am myself looking for the solution. If you find it, please provide me also. The answer is 100% correct