Mathematics
Senior High
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三角関数の性質について
単位円を書いて理解したいのですが、例えば写真の(5)(6)ならどういう図を書けば良いか教えて欲しいです!🙇🏻♀️
(5)
7 | 三角関数の性質
[sin(+2nπ) = sin
(1) cos(+2nx) = cos (n )
(tan(0+2) = tan
(2)
(sin(-0) = -sin
cos(-6)= cos
tan(-0) = -tan0
(sin(+0) = -sin
(sin(-0) = sinė
(3) cos(-) = - cos
(4) cos(+0):
=
- cose
tan(-) = -tan
sin (7-0) = cost
2
os (7/7 - 0) = sine
tan
n(7-0) =
1
tan
tan(+0) = tan
sin
=
2
+0 cose
(6)cos(+6)=
COS
+0=-sinė
◎ltan (+0)=
2
=
1
tan
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