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April 19, 2014

April 19, 2014

Posted by **Grace** on Friday, January 1, 2010 at 5:58pm.

tanx+3cotx=4?

The answer choices are:

a.) x=arctan3+nPi

b.) x=arccot3+nPi

- Trigonometry -
**Reiny**, Friday, January 1, 2010 at 7:10pmactually there are other answers ...

tanx + 3cotx = 4

tanx + 3/tanx = 4

tan^2x + 3 = 4tanx

tan^2x - 4tanx + 3 = 0

(tanx - 1)(tanx - 3) = 0

x = arctan 1 + npi or x = arctan3 + npi

- Trigonometry -
**Grace**, Saturday, January 2, 2010 at 1:42pmThanks! :D

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