Answer:
Minimum value = -2
Step-by-step explanation:
For a function y = P + Qsinx
Maximum value is given by:
Max = P + |Q|
Minimum value is given by:
Min = P - |Q|
In the given question:
y = -6sinx + C
Max = C + 6
It is given that Max = 10
10 = C + 6
C = 4
The minimum value, Min = C - 6
Min = 4 - 6
Min = -2