<span>Trigonometry (from Greek trigōnon, "triangle" and metron, "measure") is a branch of mathematics that studies relationships involving lengths and angles of triangles. The field emerged in the Hellenistic world during the 3rd century BC from applications of geometry to astronomical studies
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oldest parts of our company extend back 240 years. Since that time, we’ve come together from many sources to become what we are today: A company united in our purpose to help make financial lives better through the power of every connection.
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This long-awaited and decisive attack ultimately led to the defeat of Nazi Germany. By the end of the war, Eisenhower had become a five-star general the highest U.S. military rank. Eisenhower's leadership during World War II made him a national hero.
