Double angle identity for sine:


Factorize the left side.

Pythagorean identity:


so that

Answer:
79 inches
Step-by-step explanation:
1 foot equals 12 inches
6 feet = 6*12 = 72 inches
72+7=79
79 inches
Answer:
$80 billion
Step-by-step explanation:
From the graph, we have the following:





Required
Determine the difference in US and Denmark exports
The difference is calculated as thus:

This gives:



<em>Hence, the difference is $80 billion</em>
Answer:
<h3>A4root13 или С 4root5</h3>
Step-by-step explanation:
Answer: b
Step-by-step explanation: I don't know but I know it b