Mathematics
Senior High
(６)がなんでマイナスからプラスになるのか教えてください！
171
(1) sin(-77
(2) cos
is
(3) tan
(4) sin
(5) cos
(6) tan
(-4)
11
(-) = - tan/
6
6
5
-sin-=-1
2
π
05/1/1 = 1/1/2
π
= COS
-T ==
11
- sin π
4
- sin
1
√√3
= cos
=
= -sin (+2)
3
1
1 ²³/²= -√2/2/2
T=
4
√√2
3
s(+2x) = cos == /²/2
(-/- R+R)
7
COST = COS
3
5
= -tan-=-tan
3
2
= -tan = √3
T
3
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