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max0236
 2 years ago
Best ResponseYou've already chosen the best response.12*60 is 120 so cos(120) = \[\frac{ 1 }{ 2 }\] and sin(120) = \[\frac{ \sqrt{3} }{ 2 }\] tan is opp/adj which will then give you an exact answer of \[\sqrt{3}\]

aaronq
 2 years ago
Best ResponseYou've already chosen the best response.0thanks so much, i wasn't sure if i could just multiply 2 by 60, or if i had to use the identity 2tanx/1tan^2x

max0236
 2 years ago
Best ResponseYou've already chosen the best response.1as long as the 2 and x are together you are fine tan(2x)

aaronq
 2 years ago
Best ResponseYou've already chosen the best response.0what if it's tan2x? it didn't necessarily specify tan(2x)

max0236
 2 years ago
Best ResponseYou've already chosen the best response.1That is fine also if the 2 was outside for example 2tan(x) then it would be different
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