Draw a obtuse angled ∆ LMN. Draw its median and altitude

What basic trigonometric identity would you use to verify that csc x sec x cot x = csc^(2)x

1. are the triangles similar and if so why? what is the value of x? show your work.

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label