SOLUTION: if 4+2sec(theta)=0, find all the angles theta greater than or equal to 0 but less than 360

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Question 928577: if 4+2sec(theta)=0, find all the angles theta greater than or equal to 0 but less than 360
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

4%2B2sec%28theta%29=0
sec%28theta%29=-4%2F2
sec%28theta%29=-2
theta+=+2%2F3+%283pi%2A+n-pi%29, +n element Z
if n=1 =>theta=%284pi%29%2F3 or 240° (degrees)