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Given the point (3, 4), which of the following shows that sinxcscx = 1?
(3/4)(4/3) = 1
(3/5)(5/3) = 1
(4/5)(5/4) = 1
 one year ago
 one year ago
Given the point (3, 4), which of the following shows that sinxcscx = 1? (3/4)(4/3) = 1 (3/5)(5/3) = 1 (4/5)(5/4) = 1
 one year ago
 one year ago

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hartnnBest ResponseYou've already chosen the best response.1
Given the point (3, 4), can you find sin x=...?
 one year ago

aussy123Best ResponseYou've already chosen the best response.1
I think ......Ill show a graph
 one year ago

aussy123Best ResponseYou've already chosen the best response.1
dw:1363005355574:dw
 one year ago

hartnnBest ResponseYou've already chosen the best response.1
(3,4) means xcoordinate = 3 y coordinate =4, so it'll be dw:1363005449516:dw can you find the hypotenuse = b= ...? using pythagoras theorem ?
 one year ago

hartnnBest ResponseYou've already chosen the best response.1
then can you find sin x = opposite side/hypotenuse =... ?
 one year ago

aussy123Best ResponseYou've already chosen the best response.1
a^2+b^2=c^2 3^2+b^2=4^2 9+b^2=16 b^2=7 \[\sqrt{7}\]
 one year ago

hartnnBest ResponseYou've already chosen the best response.1
you've taken incorrect sides... a= 3, b=4 find c=hypotenuse =..?
 one year ago

aussy123Best ResponseYou've already chosen the best response.1
oh Im sorry 9+16=25 c^2=25 5=c
 one year ago

hartnnBest ResponseYou've already chosen the best response.1
thats correct, now sin x = opposite side / hypotenuse =...?
 one year ago

hartnnBest ResponseYou've already chosen the best response.1
yup, and csc x = hypotenuse/opposite side =...?
 one year ago

hartnnBest ResponseYou've already chosen the best response.1
thats it, so (4/5)(5/4)=1
 one year ago

aussy123Best ResponseYou've already chosen the best response.1
Yayy Thanks, this was really helpful, Ill try this on the rest of my problems!
 one year ago
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