Phương trình nào vô nghiệm
a. căn 3 sin2x - cos2x=2
b 3sinx-4cosx = 5
c. 2sinx - cosx...
Mathematics, 25.10.2021 19:40 jdkrisdaimcc11
Phương trình nào vô nghiệm
a. căn 3 sin2x - cos2x=2
b 3sinx-4cosx = 5
c. 2sinx - cosx = 3
d. tan x =1
Answers: 3
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