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Q: When did angles first become known in trigonometry?

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Hipparchus is the father of trigonometry and he was a Greek astronomer who lived between 190-120 B.C. He is considered as the father of trigonometry, a branch of mathematics which studies the angles of sides of triangles. :)

Some historic mathematicians that have contributed to the branch of mathematics known as trigonometry are: Hipparchus, Gemma Frisius, Leonhard Euler, Brook Taylor. Trigonometry is the study of lengths and angles within triangles.

Trigonometry is used depending on what the problem is.

Bartholomaeus Pitiscus is best known for his book called Trigonometria which was first published in Heidelburg in 1595. It consists of work on plane and spherical trigonometry. The book had the first recorded mention of the word "trigonometry".

The given question is known as an 'ambiguous case' in trigonometry and by using the sine and cosine rules in trigonometry its other angles are 66.82 degrees and 63.18 degrees with a 3rd side of 29.13cm or its other angles are 16.82 degrees and 113.18 degrees with a 3rd side of 9.44cm.

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Trigonometry was first used by the ancient Babylonians and Egyptians. Babylonians used it primarily in their astronomical calculations and there is some debate over whether this was actually trigonometry or some other form of calculation. However, the Egyptians did use a primitive form of trigonometry while building the pyramids. A scribe known as Ahmes actually performed a trigonometric solution in his "The Rhind Mathematical Papyrus"

Hipparchus was best known for many things. One of them, he invented trigonometry.

what year did Walt Disney first become well known

will smith was well known in 1990

Use trigonometry

He is known for his significant advances in trigonometry.

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