Saturday

August 23, 2014

August 23, 2014

Posted by **Ian** on Saturday, December 11, 2010 at 2:24am.

- college math -
**Henry**, Saturday, December 11, 2010 at 11:36pmsec(13pi/6) = sec((13p1/6)*180/pi) =

sec(390 deg) = sec(390 - 360) = 30 deg,

sec(30 deg) = 2(sqrt3) / 3.

**Related Questions**

Pre Calc - use properties of the trigonometric function to find the exact value ...

Trig - Use a half-angle identity to find the exact value for sec(x/2) if sinx...

MATH - 1.)Find the exact solution algebriacally, if possible: (PLEASE SHOW ALL ...

Math Trig - Suppose that X is an angle in standard position and that X' is it's ...

Calculus--Pythagorean Theorem - Use the Pythaogorean Theorem to determine the ...

Calculus - Use the Fundamental Theorem of Calculus to find the area of the ...

Pre calculus - 1. Reference angle for -280 degrees? I do not understand why you ...

Math - For value cos (8ð/3). b) write cos (8ð/3) in terms of an algebraic sign ...

Trig - Find the exact value of: sin405. reference angle=225 sin225= -.707106781...

Calculus - Use the Evaluation Theorem to find the exact value of the integral...