How can I solve this?

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How can I solve this?

#3tan^2x - 1 = 0#

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Answer 1 · 2018-03-13T14:53:50

#x = 30°# and #x = -30°#

Explanation:

Solve for #x#:
#3tan^2x -1 = 0#
#3tan^2x = 1#
#tan^2x = 1/3#
#tanx = +-1/(sqrt3)#
#x = tan^-1 (1/(sqrt3))# and #x = tan^-1 (-1/(sqrt3))#
#x = 30°# and #x = -30°#

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How can I solve this?

#3tan^2x - 1 = 0#

1 Answer

Explanation:

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