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Mathematics 13 Online
OpenStudy (erinweeks):

Need help with a "tan" problem!

OpenStudy (erinweeks):

\[\frac{ \tan 4 \theta + \tan 2 \theta }{ 1-\tan 4 \theta \tan 2 \theta }\]

OpenStudy (erinweeks):

a. \[\tan 6 \theta \] b. \[\cot 6 \theta \] c. \[\tan 4 \theta \] d. \[\cot 4 \theta \]

OpenStudy (erinweeks):

@jim_thompson5910 could you help?

OpenStudy (raden):

use the identity : (tanA + tanB)/(1-tanAtanB) = tan(A+B)

OpenStudy (erinweeks):

im not sure how to do that.. is there any way you could show me the work?

OpenStudy (dmezzullo):

@ErinWeeks are you there? RadEn is correct

OpenStudy (erinweeks):

@dmezzullo yes i got it thank you !

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