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Magazine Problem 713
Find \(\arcsin (1 / 2)\).
Problem 716
Evaluate arctan \((5 / 12)-\arccos (3 / 5)\)
Problem 717
If principal values are used, then what does the ratio \((\operatorname{arc} \sin 1 / 2)(\arctan 1)\) equal?
Problem 728
Show that if \(\mathrm{x}>0\), then \(\operatorname{Arctan} \mathrm{x}=\operatorname{Arccot}(1 / \mathrm{x})\)
Problem 730
Solve the equation, \(\arcsin x+\arccos (1-x)=0\)
