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Grade: 12
        
Prove sin x is one one and onto in -pie/2 to pie/2 by using rolles theorem
5 months ago

Answers : (1)

Harsh Patodia
IIT Roorkee
askIITians Faculty
895 Points
							f(x)=sinx ,f’(x)=cosx from -pie/2 to pie/2 cosx is positive so f’(x) is positive means its a strictly increasing fucntion.(one-one) and range is (-1,1) that means onto function
4 months ago
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