For a square matrix X with real number entities. which of the following options is a skew-symmetric matrix?

For a square matrix X with real number entities, which of the following options is a symmetric matrix?

What is the correct integral value off‌lsin x/sin (x + p))dx?

Which of the following options is the correct value of the area of a parallelogram whose adjacent sides are given by the vectors as shown in the image?

Complete the given equation. tan‘1 p — tan‘1 q = tan’1 _, where pq>~1

Complete the given equation. 2tan‘1x = , where |xl<1

Forms of money in the united states consist of paper money, coins, and _____.

Checklists with several items to be considered by respondents may be subject to _____.

In order to summarize qualitative data, a useful tool is a __________.

In a multiple rating list scale, ____.

An example of mathematical modeling software is ____