Cos(pi/2 - x) = sin(x). sec(x) = 1/cos(x), so the left side would be sinx/cosx = tanx. So it checks out.
The Territories that Germany acquired was Alsace and the Lorraine.
Another word to describe regular series of actions is "process".
Process - a series of actions or steps taken in order to achieve a particular end.
Some examples of processes are: manufacturing – a product assembly process, finance – an invoicing process, a risk management process.
Explanation:
Historical past gives us the opportunity to learn from others' past mistakes. It helps us understand the many reasons why people may behave the way they do. As a result, it helps us become more impartial as decision-makers.strong knowledge of the past helps historians identify trends and cycles throughout history and then apply that acumen of the past to improve insight of present events and prepare better for the future.Historic past helps us develop a better understanding of the world. You can't build a framework on which to base your life without understanding how things work in the world. History paints us a detailed picture of how society, technology, and government worked way back when so that we can better understand how it works now.
