Question #9cf1c

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Question #9cf1c

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Answer 1 · 2017-07-04T21:40:08

x = (2pi)/3,
x = (5pi)/3

Explanation:

Suggested solution --> possible error in question

#tan x + 1 = - sqrt3(1 + cot x)#
#(tan x + 1)/(1/tan x + 1) = - sqrt3#
Develop the left side
#((tan x + 1)(tan x))/(1 + tan x) = tan x#
#tan x = - sqrt3#
Trig table and unit circle give:
#x = (2pi)/3# and #x = (2pi)/3 + pi = (5pi)/3#

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Question #9cf1c

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