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anonymous
 5 years ago
I have another that's kickin my butt.
cos(2t)=1/2
anonymous
 5 years ago
I have another that's kickin my butt. cos(2t)=1/2

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amistre64
 5 years ago
Best ResponseYou've already chosen the best response.1when is cos(t) = 1/2 ??

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.1do you know your basic trig angles and their values?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0tryin to get better at it

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.1trig is like learning the multiplication tables; just need to get it memorized :)

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.1the basic triangle for this is the 603090; 60 has a cos of 1/2

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0cos(2t)=1/2 was the equation

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.160 is pi/3 radians; so the question is: 2t = 60 t = 30 and t = 36030 t = pi/6 and t = 330 = 12pi/6pi/6 = 11pi/6

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.1if you know that cos(60) = 1/2 the 2t = 60 t = 30....
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