Asked by dt
Solve the equation cotx=4 in the interval 0<(smaller and equal to)x<<(larger and equal to)2pie
Answers
Answered by
drwls
If cot x =- 4, tan x = 1/4.
The tan function is positive in the first and thrid quadrants.
In the first quadrant, the angle would be arctan 0.25 = 14.04 degrees. There is another solution in the third quadrant. See if you can figure it out.
The tan function is positive in the first and thrid quadrants.
In the first quadrant, the angle would be arctan 0.25 = 14.04 degrees. There is another solution in the third quadrant. See if you can figure it out.
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