IIT JAM
Ankit Asked a Question
September 15, 2020 10:28 ampts 30 pts
  • IIT JAM
  • Mathematics (MA)

Prove that the inequality cos() 1-sin (r) holds true for all z e r

Prove that |cosx|>= (cosx) ... ........ ... ......,..........
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  • Deepak singh Best Answer
    see attached proof
    • cropped1281597528724938891.jpg
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