Mathematics
Senior High
数IIの三角関数の問題です。
(4)の解説をお願いします。
B
0≦0<2πのとき,次の方程式,不等式を解け。 [446~449]
√3
(2) cos(0+5)=
2
OES (0 DE 3or
*(4) tan (20
1m (20) = -√3
446 (1) sin(0+1)=2
4
(3) sin(20+5)=√/2
6
-3
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