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在△ABC中,C-A=,cosB=.(1)求sinA的值;(2)设AB=6,求△ABC的面...
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在△ABC中,C-A=
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAkAAAAjCAYAAABGpiBAAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAAMZJREFU
OE/FlOENxCAIhbmVWYdNmIMpWIJTQOMpF/+1JE2MfYUHfOnHWsAtuugWcBN4pcdFYgTQOzweZHU3
IEQm7aBM5nfKhsgWryOmcSEMkZBBLVJjjIwuIj9tmXoJGGWxEvUszXSWUG6iPAtzevIsYKMTN56d
jqrPT/y+4o5buZJx/w4qufnhbdtbemo8za0HW7sOTPWHHaFKtI6pwGSDLudVe1pS7UTs+A7pytPB
+Mz3F9+pCErPEfQvlyUXvl/4F9zJ/ALF9k9a19NXMAAAAABJRU5ErkJggg==
)
,cosB=
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA8AAAAjCAYAAABLuFAHAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAAMJJREFU
SEvtVNENAyEItSu7DpswB1O4BEU9q5cKFdP00uRIzH1wT57weA+WCLuRwbsRdoGF8QuckGOIjGly
nZKrYIL8bjkTsJEbaBODVpnnuRv8+4YVEeQ51wM0CMXIfUmeGyK/sHJrkvd7Xsn/evOSk5SfEmM8
C+izkxy3J4xv6lszA5EoICmVq5EpNiR0AYW0RtsAEzRT9ILFOfuGOcEEfU1HBcbD3NcaZo7KbFhT
gkbbcpKuImtU/s240Az8ZDviCfK8MLYUCT52AAAAAElFTkSuQmCC
)
.
(1)求sinA的值;
(2)设AB=6
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA8AAAASCAYAAACEnoQPAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAALBJREFU
OE/Nk90NhSAMRmEj9mGLDsES7sAAncPEHViitnD9oTZReLpNfJD05Dut6InLqfLe6yP7XWBd3Gkd
P/v+G14XJ3vpnmXlXb1qFyTkxqsKIQBh+QQX4r4biwSA9ew9WakVBAKJHYcv5XGY5z+Uh+G7coNz
/H2CeE5n37BeucI55wql4CikrS3Cup5KudeuBi3dgrXyY+bIiZI+9WNsKZALaQ4WFUmfSj7W/RXe
AUhJkM3kgOb0AAAAAElFTkSuQmCC
)
,求△ABC的面积.
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