Mathematics
Senior High
(1)の問題で、答えの上と下両方とも書かないとバツになりますよね?
3060°
0 ≦ 180° のとき, 次の値を求めよ。
1 のとき, cosl, tand の値
(1) * sin0
(2)
(3) *
=
cost= 1 のとき, sin, tand の値
3
tan0
=
—
-3 のとき, sind, cost の値
cose =
または
cose:
050
V 15
4
√√15
41
tan0 =
9
15
15
tan0 = =
√15
15
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