Jawabanmu

2014-06-08T21:55:53+07:00
Sec x. sin x
= sinx / cosx
= tan x
semoga membantu
1 5 1
2014-06-08T21:55:59+07:00
Sec x . sin x
 sec x = 1/cos x
1/cosx . sin x = sin x/cosx = tan x
1 5 1