SOLUTION: Solve the equation (2 cos θ + 1)(tan θ − 1) = 0 for 0 ≤ θ ≤ 2π
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Question 1071165: Solve the equation (2 cos θ + 1)(tan θ − 1) = 0 for 0 ≤ θ ≤ 2π
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
The equation is true if either of these is true:
(1)
OR
(2)
--------------------------
(1)
(1)
If I divide this by I get , which tells me
(1)
This is
The cosine is also negative for
which is
--------------------------
(2)
(2)
Dividing by , I get , so
(2)
The tan function is also positive in the 3rd quadrant, so
(2)
(2)
-----------------------------
The solutions are:
= , , ,
If you can, get another opinion on this also
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