#成長值抽獎贏iPhone17和精美週邊 this is 1, if we add 1 to it, it will equal 2. We can also write it as 2 minus 1 equals 1, or write it as sin 90 degrees plus cos 0 degrees equals 2. Therefore, it is reasonable to also write it as 2 minus sin 90 degrees equals 1, or 2 minus cos 0 degrees equals 1.