Answer:
<h2>The answer is option C</h2>
Step-by-step explanation:

Using trigonometric identities
That's

Rewrite the expression
That's

Simplify
We have

So we have
3( - 1)
We have the final answer as
<h2>- 3</h2>
Hope this helps you
Answer:
For c=5 there are not solutions for the compound inequality
Step-by-step explanation:
we know that
In the compound inequality
-----> inequality A
-----> inequality B
The solution of the system of inequalities must satisfy inequality A and must satisfy inequality B
so
If c=5
then
There is no solution that satisfies both inequalities simultaneously.
therefore
For c=5 there are not solutions for the compound inequality
Of each ones place.... Or ... The sum of each number? Just trying to help.....