Answer:
Step-by-step explanation:
8.5*7.5 = 63.75
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
Answer:
36
Step-by-step explanation:
You use PEMDAS, also known as parentheses, exponents, multiplication, division, addition, and subtraction. Do the multiplication. Which gives you a product of 32. Then you do the addition. Which gives you a sum of 36.