5635amezj
5635amezj
23-05-2018
Mathematics
contestada
∫(sec(lnx)tan(lnx)) /x
Respuesta :
LammettHash
LammettHash
23-05-2018
Substitute [tex]y=\ln x\implies\mathrm dy=\dfrac{\mathrm dx}x[/tex], then the integral becomes
[tex]\displaystyle\int\frac{\sec(\ln x)\tan(\ln x)}x\,\mathrm dx=\int\sec y\tan y\,\mathrm dy[/tex]
[tex]=\sec y+C[/tex]
[tex]=\sec(\ln x)+C[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 79+ )
Otras preguntas
The document “PRO: What Was Really Great About The Great Society” by Joseph A.Califano Jr.” Document 2: “CON: War on Poverty Revisited” by Thomas Sowell PLEASE
The perimeter of an isosceles triangle is 45 inches. Two sides of the triangle are congruent, and the third side is twice as long as the sum of the congruent si
What is the message of the political cartoon? A Hitler and Stalin were enemies from the beginning of World War II and hated each other B Hitler broke the Non-
(1 point) Evaluate the definite integral: 2 12 (23 – ") dax 1 (1 point) Evaluate the definite integral: si 4 dc C
You have $450.00 each month to pay off these two credit cards. You decide to pay only the interest on the lower-interest card and the remaining amount to the hi
PROJECT: CUTTING A PASSAGE FOR READING This assignment has you make cuts and appropriate interpretative marks in lines 22-203 of the play Everyman. Here is your
find the larger of two consecutive odd integers if the larger is 20 less than three times the smaller
what happened in china between december 1937 and March 1938
T/F. The perfectly competitive firm is better off if it advertises, and lowers the elasticity of demand.
which statement(s) is(are) true about brand storytelling? a. brands are what marketers say they are. b. brands are what the customers say they are. c. marketers