For The First Question a Part Do You Need a Graph ?
I think the surface area is 38
Answer:
47mph
Step-by-step explanation:
divide 141 by 3
Answer:
OK
Step-by-step explanation:
The first screenshot is for #7 and the second screenshot is for #8
Step-by-step explanation:
<h3>

</h3>
Prove the LHS
Using trigonometric identities
That's
<h3>

</h3>
<u>Rewrite the expression</u>
We have
<h3>

</h3>
<h3>

</h3>
So we have
<h3>

</h3>
Using trigonometric identities
<h3>

</h3>
<u>Rewrite the expression</u>
That's
<h3>

</h3>
Reduce the expression with cos a
We have the final answer as
<h2>1</h2>
As proven
Hope this helps you