Nilai dari 
adalah.....
(tolong pake cara lengkap ya jawabnya
(tolong pake cara lengkap ya jawabnya
izharulhaq78
![2(\sin(180-45)-1)\\2((\sin180\cos45-\cos180\sin45)-1)\\2((0-[-\sin45])-1)\\2((\sin45)-1)\\2(\frac{1}{2}\sqrt2-1)\\\sqrt2-2](https://tex.z-dn.net/?f=2%28%5Csin%28180-45%29-1%29%5C%5C2%28%28%5Csin180%5Ccos45-%5Ccos180%5Csin45%29-1%29%5C%5C2%28%280-%5B-%5Csin45%5D%29-1%29%5C%5C2%28%28%5Csin45%29-1%29%5C%5C2%28%5Cfrac%7B1%7D%7B2%7D%5Csqrt2-1%29%5C%5C%5Csqrt2-2 "2(\sin(180-45)-1)\\2((\sin180\cos45-\cos180\sin45)-1)\\2((0-[-\sin45])-1)\\2((\sin45)-1)\\2(\frac{1}{2}\sqrt2-1)\\\sqrt2-2")
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