Help pls-

I dont know it T^T

Ans: H and A

Step-by-step explanation:

By the identity:

1-(cos(x))

Ans: H

For second quesiton, the transformation of a graph is that:

f(x) + k means vertical translation up by k units

Two curve have the same maximum value, so the graph doesn't translate upwards or downwards, thus b=0

Ans: A

30005

yes ok