Mathematics
Senior High
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V5
(2) tan0
のとき, sin0, cosθ の値を求めよ。
2
ニ
285 tan0 = 3 より cos@ キ 0 であるから
sin0
sin0
cosO
tan@
cos0 + sin0
1+ tan0
sin0
1+
cosO
3
3
1+3
4
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