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Trigonometry 6 Online
OpenStudy (anonymous):

if 1-tan^2 x=2/3 , find x

OpenStudy (nincompoop):

try

OpenStudy (anonymous):

i have no idea where to start

OpenStudy (anonymous):

see tan^2x=2/3-1

OpenStudy (anonymous):

tan^2x formula

OpenStudy (anonymous):

tan^2x=-1/3

OpenStudy (anonymous):

sorry delete that negative sign

OpenStudy (anonymous):

thx

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