Step-by-step explanation:
This is not posssible because
sin^2 + cos^2 =1
sin^2 = 1- cos^2
sin^2 = 1 - (1/7)^2
sin^2 = 48/49
sin = ± 4 sqrt(3) /7 So tan = sin/cos = ± 4 sqrt 3 NOT 5/3
