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Problem
Problem
Solve
sin
−
1
x
−
cos
−
1
x
=
cos
−
1
3
2
\sin^{-1}x - \cos^{-1}x = \cos^{-1}\frac{\sqrt{3}}{2}
sin
−
1
x
−
cos
−
1
x
=
cos
−
1
2
3
.
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