The point (1, -5) is reflected across the y-axis. 5 E 3 1 -5 -4 -3 -2 -1, 3 2 -4 What are its new coordinates? (-1,5) (1,-5) (-1 -5) (1, 5) ANSWER MY QUISTION RIGHT AMD GET 20 POINTS!

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