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Solving Trigonometic Equations
solve for x : ( by radian)

1)cotx= 3

2)secx = 0.5
<<<and thanks >>>

1) Same as tan x = 1/3. Use a calculator. I get 0.321 radians

2) sec x = 0.5 is not possible. The absolute value of the secant must be one or more.

<< Thanks drwls for your help >>

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