arcsinsin(7π/6)+arccoscos(5π/4)=
arcsin(-1/2)+arccos(-根号(2)/2)=
-π/6+3π/4=
7π/12
Best Answer: First of all, dx/dx = 1, not zero. Second, the reason that arcsin (sin x) shows corners is that arcsin (sin x) is not in general equal to x. Since for ...
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