SOLUTION: if 0≤Θ<360°, solve sec^2 (2Θ) +2sec(2Θ) = 0
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Question 979124: if 0≤Θ<360°, solve sec^2 (2Θ) +2sec(2Θ) = 0
Answer by KMST(5328) (Show Source): You can put this solution on YOUR website!
If <--> , solve
Factoring:
--->--->
does not happen for any value of ,
because the function secant never takes any value between -1 and 1.
-->-->-->--> for some integer .
With the restriction ,
the values that make for some integer are
<---> , or
<---> , or
<---> , or
<---> .
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