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  1. I = ∫ sec^5(x) dx = ∫ (sin^2(x) + cos^2(x))*sec^5...sec^3(x) dx Note: d(sin(x)*sec^4(x)) = cos(x)*sec^4(x) dx + sin(x)*4sec...1/2) sec(x) dx I = (1/4)sin(x)*sec^4(x) + (3/4)*(1/2) sin(x)*sec^2(x) - (3...

    1 Answers · Science & Mathematics · 30/03/2013

  2. sec^-1(x)=an angle, for our case, theta, Lets use the unit circle and basic definitions to determine...z Cos = x/z Tan = y/x and using the trigonometric identities Csc = 1/sin Sec = 1/cos Cot = 1/tan we get Csc = z/y Sec = z/x Cot = x/y So, to answer...

    5 Answers · Education & Reference · 08/06/2011

  3. As an SEC fan and supporter, I agree. I believe that the Big Ten... know that college football is cyclical. The time will come for the SEC to have an unimpressive conference, too, once the rest of the country begins to stop...

    12 Answers · Sports · 20/11/2007

  4. The SEC touts as its mission statement, “…to protect investors, maintain...good because many of us need all the help we can get. As a part of the SEC’s mission the belief is that in order to sustain and advance economic growth, capital...

    2 Answers · Business & Finance · 23/04/2008

  5. SEC Divisional Tie-Breaker THREE (OR MORE) TEAM TIE... following the last weekend of regular-season games shall be the divisional representative in the SEC Championship Game, unless the second of the tied teams is ranked...

    1 Answers · Sports · 09/11/2013

  6. sec (2x) = 1/cos(2x) The period of cos (2x) can be found using... In this case B = 2. So the period of cos(2x) = period of sec(2x) = 2pi/2 = pi or 180 degrees The amplitude is defined...

    1 Answers · Science & Mathematics · 15/07/2013

  7. tan(x) + sec(x) = 2cos(x) Change everything to sines and cosines... work, by plugging them into the original. tan(x) + sec(x) = 2cos(x) Test x = pi/6: tan(pi/6) + sec(pi/6) = 2cos(pi/6...

    6 Answers · Science & Mathematics · 24/07/2008

  8. sec^4 (x/2) dx = ∫ sec^2 (x/2) * sec^2 (x/2) dx = ∫[1 + tan^2 (x/2)] * sec^2 (x/2) dx = ∫ sec^2 (x... tan(x/2) = u for the second integral => (1/2) sec^2 (x/2) dx = du => sec^2 (x/2) dx = 2du => Integral...

    2 Answers · Science & Mathematics · 28/01/2011

  9. sec(x/2)dx Multiply numerator and denominator by (sec(x/2)+tan(x/2) and get ∫sec(x/2)dx= ∫{sec(x/2)(sec(x...x/2)tan(x/2)} dx= dt i.e dx =2dt/{ sec²(x/2) +sec(x/2)tan(x/2)} Subsituting ∫{sec²(x...

    5 Answers · Science & Mathematics · 09/03/2011

  10. sec^4 x dx = ∫ sec^2 x sec^2 x dx Integrate by parts dv= sec^2 x dx; v = tan x; u = sec^2 x ; du = 2 sec^2 x tan x ∫ u dv = u v - ∫ v du...

    3 Answers · Science & Mathematics · 11/03/2014

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