Solve .
Hint
The x-coordinate of the second and third quadrants.
Answer
Solve sec t = 2.
This problem is equivalent to .
Solve on the interval [2π, 4π].
The y-coordinate of the third and fourth quadrants. Check for n = 0, 1.
This problem is the same as sin t = 2.
t is undefined, because sine (and cosine, but not tangent) can only be between -1 and 1.
Solve cot t = 0 on the interval [0, 2π].
Cotangent is equivalent to .
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on the interval [2π, 4π].
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