Identify the temperature that is halfway between 0 degrees fahrenheit and 10 degrees fahrenheit

How do you write a paragraph proof to prove that the corresponding angles shown are congruent

Which sum or difference identity would you use to verify that cos (180° - q) = -cos q? a.) sin (a -b) = sin a cos b – cos a sin b b.) cos (a -b) = cos a cos b – sin a sin b c.) cos (a -b) = cos a cosb + sin a sin b d.) sin (a + b) = sin a cos b + cos a sin b

50 points~ ! i have to turn this in tomarrow