SOLUTION: find the exact value of the trigonometric function sec 17π/3 ....then the answer in our book is 2..there is no solution posted in our book.how will i get the answer 2? whats t

Algebra ->  Trigonometry-basics -> SOLUTION: find the exact value of the trigonometric function sec 17π/3 ....then the answer in our book is 2..there is no solution posted in our book.how will i get the answer 2? whats t      Log On


   

Question 479071: find the exact value of the trigonometric function sec 17π/3 ....then the answer in our book is 2..there is no solution posted in our book.how will i get the answer 2? whats the solution.pls help
Found 2 solutions by oberobic, Alan3354:
Answer by oberobic(2304) About Me  (Show Source):
You can put this solution on YOUR website!
To use the Google calculator, type the following into the search box:
sec(17*pi/3)
.
sec((17 * pi) / 3) = 2
.
Done

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
17pi/3 = 5pi/3
cos(5pi/3) = 0.5
sec = 1/cos = 2