SOLUTION: find all values of x when x is greater than or equal to 0 degrees and less than 360 degrees. tan^2x+3secx+3=0
Algebra.Com
Question 497224: find all values of x when x is greater than or equal to 0 degrees and less than 360 degrees. tan^2x+3secx+3=0
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Multiply by 
Substitute from the Pythagorean Identity:
Collect terms:
Let 
and substitute:
Factor:
(u\ +\ 1)\ =\ 0)
Substitute back:
or
Use the Unit Circle:
to determine that:
\ =\ \frac{2\pi}{3})
or
\ =\ \frac{4\pi}{3})
or
\ =\ \pi)
If you want it in degrees you can multiply by 
John
My calculator said it, I believe it, that settles it
RELATED QUESTIONS
find all values of x when x is greater than or equal to 0 degrees and less than 360... (answered by lwsshak3)
solve for all values of x if x is greater than or equal to 0 degrees, but less than 360... (answered by lwsshak3)
Find all values of theta , where 0 degrees less-than-or-equal-to theta... (answered by lwsshak3)
In the interval 0 degrees is less than or equal to x which is less than or equal to 360... (answered by lwsshak3)
solve secx - square root of 2 = 0 algebraically for all values of x in 0 degrees less... (answered by lwsshak3)
Find all values of x in the interval 0 degrees is less than or equal to x which is less... (answered by stanbon)
(cos^2(x)=-cos(x) solve for all values of x in the interval 0 degrees is less than or... (answered by solver91311)
find the exact solutions from 0 less than or equal to x less than 360 degrees. 3 tan x... (answered by stanbon)
find all solutions of tan x = -sqrt 3 , 0 is less than or equal to x is less than or... (answered by lwsshak3)
