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HoaBest ResponseYou've already chosen the best response.0
ok, tell me what is the formula to compute sin X
 one year ago

HoaBest ResponseYou've already chosen the best response.0
sin X = opposite side / hypotenuse side. do you know which is which?
 one year ago

HoaBest ResponseYou've already chosen the best response.0
consider angle x, opposite side of x is AY
 one year ago

HoaBest ResponseYou've already chosen the best response.0
hypotenuse is just one is XY
 one year ago

HoaBest ResponseYou've already chosen the best response.0
so, sin X = opposite /hypotenuse . in your picture, you have values of them, just put them into the fraction, you have sin. cos = adjacent side /hypotenuse. do the same.
 one year ago

HoaBest ResponseYou've already chosen the best response.0
study the formula is the key.
 one year ago

HoaBest ResponseYou've already chosen the best response.0
you do, not me. I check only.
 one year ago

HoaBest ResponseYou've already chosen the best response.0
bingo. continue friend, you can do that, right?
 one year ago

HoaBest ResponseYou've already chosen the best response.0
bingo!!!if the question ask you to find sin or cos of Y, do the same, at that moment, the adj of Y is what?
 one year ago
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