Software used the control a computer's hardware

Melissa needs to add a topic to an email that she will send to her teacher. choose the name of the field where she should type her topic.

Write an essay on online collaboration, how to do it, the challenges, resolving the challenges, and consider whether the risks are greater than rewards. ( need )

Verify each identity[tex] \frac{csc}{cot \: x \: + \: tan \: x} = cos \: x[/tex]