Odd numbers
-Trigonometry is the study of triangles using functions like sine, cosine, tangent, cosecant, secant and cotangent
-It was theorised officialy by Hipparchus, a greek mathematician, but it has first been used during the egyptian and babylonian period.
-Used in physical engineering, architecture, navigation, astronomy (To calculate distances and height)
-Also used in urban planning which is evident in rome, with the presence of aqueducts and many grand buildings such as the pantheon, colosseum etc.
-Trigonometry is actually ratios that has been converted into angles
Q: Why do we need to come up with sin, cos and tan when we already know the sum of angles in a triangle and we already have Pythagoras theorem.
A: It is used in metrology, to minimise error
Important notes:
-All museums in England is free
-Some free walking tours are conducted by experts (win-win situation)
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