On the equinoxes, the subsolar point is at the equator, and the circle of illumination runs through __ degrees N and __ degrees S.

On the equinoxes, the subsolar point is at the equator, and the circle of illumination runs through __ degrees N and __ degrees S. Therefore, the far north and south latitudes of the circle of illumination are __ degrees away from the subsolar point. On the June solstice, the subsolar point is at the Tropic of Cancer at __ degrees __, and the circle of illumination passes through __ degrees N and __ degree S. Which latitudes does the circle of illumination pass through on the June Solstice? On February 26 the subsolar point is at 9 degrees S, and the circle of Illumination passes through __ degrees N and __ degrees S.

Please help me I have no idea how to find these answers.