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 one year ago
PreCalc & Trig Help!
Picture below.
I did one like this already, but for some reason I just can't figure this one out. :/
 one year ago
PreCalc & Trig Help! Picture below. I did one like this already, but for some reason I just can't figure this one out. :/

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Atkinsoha
 one year ago
Best ResponseYou've already chosen the best response.0can you tell me how you found that so i know for the rest of the ones like it ?

Hoa
 one year ago
Best ResponseYou've already chosen the best response.1let x= o>sin(o) =0 and 2x=0 > sin2x =0 . you can conclude that sinx = sin2x when x =0. other solutions are not right because there are some pairs not satisfy sinx =sin2x.

Hoa
 one year ago
Best ResponseYou've already chosen the best response.1for example: in A)if x =pi/2> sin(pi,2) = 1 but sin 2(pi/2) = sinpi=0

Hoa
 one year ago
Best ResponseYou've already chosen the best response.1ok, I'm glad you understand
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