Mathematics
Senior High
Resolved

sin π-(A+B)/2
が cosA+B/2 になるのは何故ですか?

A-B J= coS 2 元ー(A+B) sin 2 G200 Gnie A-B = COS- 2 A+B COS 2

Answers

✨ Best Answer ✨

sin(π/2-θ)=cosθ

くま

ありがとうございます!

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