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AravindG Group TitleBest ResponseYou've already chosen the best response.1
use sin(A+B) formula
 one year ago

primeralph Group TitleBest ResponseYou've already chosen the best response.0
dw:1372182326719:dw
 one year ago

Catsarecool97 Group TitleBest ResponseYou've already chosen the best response.0
Wait what?
 one year ago

AravindG Group TitleBest ResponseYou've already chosen the best response.1
do you know sin(A+B) expansion?
 one year ago

Catsarecool97 Group TitleBest ResponseYou've already chosen the best response.0
yes. sin(x+y)=sinxcosy+cosxsiny
 one year ago

AravindG Group TitleBest ResponseYou've already chosen the best response.1
ok here y=pi/2
 one year ago

AravindG Group TitleBest ResponseYou've already chosen the best response.1
substitute and put values
 one year ago

Catsarecool97 Group TitleBest ResponseYou've already chosen the best response.0
alright so. sinxcospi/2+cosxsinpi/2
 one year ago

AravindG Group TitleBest ResponseYou've already chosen the best response.1
sin pi/2= ... cos pi/2=....
 one year ago

Catsarecool97 Group TitleBest ResponseYou've already chosen the best response.0
sin=1 cos=0?
 one year ago

Catsarecool97 Group TitleBest ResponseYou've already chosen the best response.0
I'm confused now
 one year ago

primeralph Group TitleBest ResponseYou've already chosen the best response.0
You know the formula. Use the formula?
 one year ago

AravindG Group TitleBest ResponseYou've already chosen the best response.1
sin pi/2=1 cos pi/2=0
 one year ago

AravindG Group TitleBest ResponseYou've already chosen the best response.1
Put the vales there
 one year ago

AravindG Group TitleBest ResponseYou've already chosen the best response.1
sinxcospi/2+cosxsinpi/2
 one year ago

Catsarecool97 Group TitleBest ResponseYou've already chosen the best response.0
so sinxcos0+cosxsin1?
 one year ago

Catsarecool97 Group TitleBest ResponseYou've already chosen the best response.0
how does this equal cos?
 one year ago

AravindG Group TitleBest ResponseYou've already chosen the best response.1
sinx *0+cosx *1=....
 one year ago

primeralph Group TitleBest ResponseYou've already chosen the best response.0
dw:1372182809686:dw
 one year ago

Catsarecool97 Group TitleBest ResponseYou've already chosen the best response.0
oh! Thank you both!
 one year ago
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