Trigonometry is a branch of mathematics that studies relationships between the sides and angles of triangles. Trigonometry is found all throughout geometry, as every straight-sided shape may be broken ...

Most every kid learns a² + b² = c² in math. Pythagoras, right? Wrong. Babylonians used trigonometry 1,000 years before the Greeks. Time to rewrite history? This unassuming clay tablet may yet turn the ...