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Two curves are said to be orthogonal if their tangent lines are perpendicular at each point of intersection of the curves. Show that the curves of the given equations are orthogonal.
y - x =
x =
cos y
Bismarck's Policy
The political strategies and foreign policies implemented by Otto von Bismarck, Chancellor of the German Empire, aimed at achieving German unification and maintaining European stability through diplomacy and the balance of power.
Catholicism
The branch of Christianity headed by the Pope, based in Rome, and characterized by its traditions, teachings, and practices.
German Emperor
The title used for the monarch and head of state of Germany, particularly associated with the rulers of the German Empire from 1871 to 1918.
William II
William II, also known as Wilhelm II, was the last German Emperor (Kaiser) and King of Prussia, ruling from 1888 until his abdication in 1918.
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