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max0236Best ResponseYou've already chosen the best response.1
2*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 \[\sqrt{3}\]
 one year ago

aaronqBest ResponseYou've already chosen the best response.0
thanks 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
 one year ago

max0236Best ResponseYou've already chosen the best response.1
as long as the 2 and x are together you are fine tan(2x)
 one year ago

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

max0236Best ResponseYou've already chosen the best response.1
That is fine also if the 2 was outside for example 2tan(x) then it would be different
 one year ago
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