6. If A + B + C = 180°, show that
a)
cos A sin B sin C + cos B sin C sin A + cos C sin A sin B = 1 + cos A cos B cos C

Use the discriminant to describe the roots of each equation. then select the best description. 2m2 + 3 = m double root real and rational roots real and irrational roots non-real roots

Which expression will have the same sum as 3_8 + 1/4?

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