Question

In triangle ABC, B = 90° and tum A = 75.
If AC = 30 cm. find the lengths of AB
and BC​

Answer 1

what is that A i didn't get it

Answer 2

Answer:

Tan A = 75

Tan = perpendicular/base  

Tan A= Ac/AB

75 = 30/AB

5AB= 2

Than, AB= 2/5