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`        if [sin-1x]>[cos-1x] then x belongs to interval[tan sin cos 1,tan sin cos sin 1].prove`
3 years ago

Arun Kumar
IIT Delhi
256 Points
```										Hello StudentYou should do this by graph.From what i understand by your representation.$\\ \left \lfloor sin^{-1}x\right \rfloor= -2,-1,0,1 \\ \\\left \lfloor cos^{-1}x \right \rfloor= 0,1,2,3 \\=>sin^{-1}x \in (1,\pi/2] => x \in (sin 1,1]=(0.84,1] \\and\,cos^{-1}x \in (0,1) => x \in (cos1,1)=(0.58,1) \\taking common (sin 1,1] \\\left \lfloor \, \right \rfloor means greatest integer function$Thanks & RegardsArun KumarBtech, IIT DelhiAskiitians Faculty
```
3 years ago
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