Math, asked by Erf, 1 year ago

If y=secx-tanx prove that cosx(d2y/dx2)=y2

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Answered by brunoconti
2

Answer:

Step-by-step explanation:

BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST

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