✨ Best Answer ✨
t=√2sin(x+π/4)より、
√2=√2sin(x+π/4)
→ sin(x+π/4)=1
→ x+π/4=π/2
→ x=π/4
-√2=√2sin(x+π/4)
→ sin(x+π/4)=-1
→ x+π/4=3π/2
→ x=5π/4
(2)のみの質問ですが、マーカー部分をどう導き出すかが分かりません🙏教えてください🙇♀️
✨ Best Answer ✨
t=√2sin(x+π/4)より、
√2=√2sin(x+π/4)
→ sin(x+π/4)=1
→ x+π/4=π/2
→ x=π/4
-√2=√2sin(x+π/4)
→ sin(x+π/4)=-1
→ x+π/4=3π/2
→ x=5π/4
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ありがとうございます😭助かりました🙇♀️