astronomers often measure large distances using astronomical units where one au is the average distance from earth to the sun in the image d represents the distance from a star to the sun using a technique called stellar parallax astronomers determined is 0.00001389 degrees.
how far away is the star from the sun in astronomical units
I get that the trig function is tangent, but every time I try to calculate it, it always ends up with a completely confusing and wrong answer. Help me out?