Mathematics
Senior High
Solved
1の3教えて欲しいです
(1)0°≦0≦180°のとき、次の不等式を解け.
(i) 2sin01 (ii) 2 cos0+1≦0 (iii) tan 0<√√3
(2)0°90° のとき,次の不等式を解け.
(i) 2sin201 (ii) 2cos203/≦0 (ii) tan20-√3>0
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