The number of solutions \(x\) to the equation \[7\sin x +2\cos ^2 x =5,\] in the range \(0\le x<2\pi\), is
\(1\),
\(2\),
\(3\),
\(4\).
Trigonometry: Triangles to Functions
Question
The number of solutions \(x\) to the equation \[7\sin x +2\cos ^2 x =5,\] in the range \(0\le x<2\pi\), is
\(1\),
\(2\),
\(3\),
\(4\).