SOLUTION: sec2x=- square root of 3 solve x in degrees

Algebra ->  Trigonometry-basics -> SOLUTION: sec2x=- square root of 3 solve x in degrees      Log On


   

Question 1200993: sec2x=- square root of 3 solve x in degrees
Answer by Edwin McCravy(20065) About Me  (Show Source):
You can put this solution on YOUR website!
sec%282x%29=sqrt%283%29

1%2Fcos%282x%29=sqrt%283%29

Invert both sides:

cos%282x%29=1%2Fsqrt%283%29

cos%282x%29=0.5773592692

cosine is positive in QI and QIV



where n is any integer, positive, negative, or zero.

.

where n is any integer, positive, negative, or zero.

Edwin