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related to: sec

1. ### how do i graph Sec ^-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. ### homework help with sec ^2(pi/3)?

( 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. ### What are three primary roles of the SEC ? ?

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. ### Math question: sec (x)=5?

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. ### What is the derivative of f(x)= sec x by only using the definition of the derivative? Please explain.?

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 PROVE?

( 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. ### what programs were influenced by the SEC ?

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

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

8. ### Derivate Sec2(X + 3) pls. Help me ?

( 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. ### Write the first trigonometric function in terms of the second. sec theta, sin theta. In quadrant 1?

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. ### Critical points of Sec x on an interval?

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