Mathematics
Senior High
(1)の撮り方を教えて下さい
48 次の角の正弦,余弦,正接の値を、下の図を用いて求めよ。
(1)135°
Ay
P(-1,1)
1
-1
2
135°
X
(2) 60°
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(1)の撮り方を教えて下さい
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