Math, asked by StarTbia, 1 year ago

Evaluate the given integral expression:

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Answered by traplord
0

f(x) \int\limits^ {} \, tanx dx

log|sec x|


hence f(x) = log |sec x|

\int\limits^\pi _\frac{\pi }{4}  {tanx} \, dx = f(\frac{\pi }{4}) - f(0)

log| sec (\frac{\pi }{4}| - log |sec(0)|

log | \sqrt{2} | - log| 1 |

log\sqrt{2} - 0

log\sqrt{2}

log 2¹/₂

1/2 log 2 <==== answer


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