2 years ago

Could someone plz just answer this now?

1 answer:

5 0

Answer:

thats hard lol

Step-by-step explanation:

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spin [16.1K]

Answer: $cos(\pi-x)=-cos(x)$

Step-by-step explanation:

We need to apply the following identity:

$cos(A - B) = cos A*cos B + sinA*sin B$

Then, applying this, you know that for $cos(\pi-x)$ :

$cos(\pi-x)=cos(\pi)*cos(x)+sin(\pi)*sin(x)$

We need to remember that:

$cos(\pi)=-1$ and $sin(\pi)=0$

Therefore, we need to substitute these values into $cos(\pi-x)=cos(\pi)*cos(x)+sin(\pi)*sin(x)$ .

Then, you get:

$cos(\pi-x)=(-1)*cos(x)+0*sin(x)$

$cos(\pi-x)=-1cos(x)+0$

$cos(\pi-x)=-cos(x)$

8 0

2 years ago

ella [17]

<h2><em>I believe 10.91ft but I'm not sure.</em></h2>

4 0

3 years ago

icang [17]

I believe that the answer is C. x - 114 : y - 34

7 0

2 years ago

viktelen [127]

Hope this helps! I can resubmit if my hand writing is too bad.

6 0

3 years ago

Sveta_85 [38]

True blablabojjdjjdjjd

7 0

2 years ago