posted by abdo .
Solving Trigonometic Equations
solve for x : ( by radian)
2)secx = 0.5
<<<and thanks >>>
1) Same as tan x = 1/3. Use a calculator. I get 0.321 radians
2) sec x = 0.5 is not possible. The absolute value of the secant must be one or more.
<< Thanks drwls for your help >>