QUESTION 1a.
We want to add

We group similar terms to get

Simplify:

QUESTION 1b.
The given function is:

Expand the parenthesis to obtain,

Group similar terms,

Simplify:

QUESTION 2
The given function is

The zeros of this function is given by;

Split the middle term.

Factor;




Answer:
180
Step-by-step explanation:
Answer:

Step-by-step explanation:
We want to evaluate

We use special angles or the unit circle to obtain;

This implies that;



Answer:
Hi hope you have a wonderful and blessed day!!!!
Step-by-step explanation: