tednequamoore8048 tednequamoore8048 30-05-2023 Mathematics contestada Given that sin(a) = 3 and 4 and cos(b) = −1 and -6, with a and b both in the interval /2, , find the exact values of sin (a + b) and cos(a − b). sin(a + b)=, cos(a − b)=
