ISRO Mechanical & Aerospace 2020 - Question 48

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1 + x + (x²)/2 - (x^4)/8 - (x^5)/15 + ........ =

  • A. e^(tan x)
  • B. e^(cos x)
  • C. e^(sin x)
  • D. e^x sin x

Answer: C. e^(sin x)

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