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  1. 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

  2. (sec^2 x) is really (sec x)^2. It's the same for cos, sin, tan, cot, and csc too, of...something. Anyway, this means your equation would be: [sec (pi/3)]^2 You should already know that sec x = 1/cos x ...

    1 Answers · Education & Reference · 19/09/2012

  3. The SEC's principal objectives are: (1) to ensure that the securities... can make informed investment decisions. The SEC pursues these objectives by: mandating that companies...

    3 Answers · Education & Reference · 19/12/2008

  4. Sec (x) = 5 Sec(x) = 1/cos(x) 1/cos(x) = 5 cos(x) = 1/5 cos(x) = 0.2 x...

    1 Answers · Education & Reference · 02/11/2011

  5. Let y = sec(x). From the definition: dy/dx = lim(h -> 0) [ sec(x + h) - sec... h -> 0: sin(x) / cos(x)cos(x + h) -> sin(x) / cos^2(x) = sec(x) tan(x), and sin(h) / h -> 1. The whole of this part therefore...

    1 Answers · Education & Reference · 14/10/2007

  6. (sec x + csc x)^2= (1+tan x)^2 + ( 1+ cot x)^2 => (sec^2x + 2secx cscx + csc^2x) = (1+tan x)^2 + ( 1+ cot x)^2 => ( 1 +t an^2x ) + 2...

    2 Answers · Education & Reference · 17/10/2010

  7. SEC Divisions Homepages Corporation Finance...and Markets -------------------------------------------------------------------------------- SEC Offices Homepages Office of Acquisitions...

    1 Answers · Education & Reference · 26/02/2010

  8. (sec^2(x+3))'= = 2 sec(x+3) * sec(x+3)' = = 2 sec(x+3) * [(cos(x+3)^-1]' = = 2 sec(x+3) * (-1...

    1 Answers · Education & Reference · 08/02/2012

  9. sec θ = 1 / cos θ In quadrant 1 all ratios are positive Now cos θ = sin [(π/2) - θ] so sec θ = 1 / sin [(π/2) - θ]

    1 Answers · Education & Reference · 09/12/2012

  10.    g(x) =  y = sec(x)  dy ⁄ dx = sec(x) • tan(x) ... set to zero for min/max       0...be zero. First Term Solution:              sec(x) = 0           1 ⁄ cos(x) = 0  ... no solution since cos(x) never ...

    2 Answers · Education & Reference · 22/04/2012

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