10. Y is the midpoint between points X and Z. If Y has a coordinate of (6,4) and Z has a coordinate of (7.0), what is the coordinate of
Help me please

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

Sketch one cycle if the cosine function y=2cos2theta

See attachment below and find the equivalent of tan(∠qsr)