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
This is a percent problem which means
You take the amount that has been completed over the total amount. You then multiply it by 100%
30/120*100=25%
Answer:
this is the answer of 2 and