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

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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) About Me  (Show Source):
You can put this solution on YOUR website!






Multiply by



Substitute from the Pythagorean Identity:



Collect terms:



Let and substitute:



Factor:







Substitute back:



or



Use the Unit Circle:



to determine that:



or



or



If you want it in degrees you can multiply by

John

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