5sin^2 x +3cos x =3
&
sec^2 x + tan -7 =0
&
tan x + 5 =...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 26.03.2021 15:20, obliviousho2018
5sin^2 x +3cos x =3
&
sec^2 x + tan -7 =0
&
tan x + 5 = 6 cot x
&
3 cos 2x + 5 cos x + 2 = 0
![answer](/tpl/images/cats/otvet.png)
Answers: 1
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