Need an Answer and an Explanation with the full answer below:

Iwill give brainliest only if your correct the words subsequent and submerge both contain the prefix sub. based on this information, what does the prefix sub most likely mean? a) under or secondary b) true or verifiable c) tricky or difficult d) around or centered on

The trigonometric ratios sine and secant are reciprocals of each other

Which of the following is not a subset of {1,2,3}?