For each data set, create the data display that best reveals the answer to the question. Explain your reasoning. What is the median value of the data set? 40 47 43 35 42 32 40 47 49 46 50 42 48 43 34 45​

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