scottdave said:Do you have the ability to plot the expression on the left side (with a calculator or spreadsheet)? Then see if it crosses 4 anywhere. That is a start to see how many solutions you are dealing with.
First of all, be aware that posting complete solutions before the OP has solved the problem is not allowed. See the forum rules.ElectricRay said:I found indeed several with my calculator but solving it algebraically
After the step cosx (sinx-1)=2 (1-sinx) as the OP did i got lost. I am strying to solve it as well without solving it for the OP. But why you can't divide after this step, what is wrong about that?
Trigonometric Solutions refer to the methods and techniques used to solve problems involving triangles and trigonometric functions, such as sine, cosine, and tangent.
The three basic trigonometric functions are sine, cosine, and tangent. These functions are used to find the ratios of sides in a right triangle.
Trigonometric solutions are used in various fields such as engineering, physics, and navigation. They are also used in everyday tasks such as measuring heights and distances.
Trigonometric solutions are commonly used in solving problems involving triangles, such as finding missing angles or sides, as well as in calculus and other advanced mathematical concepts.
The unit circle is a circle with a radius of 1 centered at the origin on a coordinate plane. It is used to visualize and understand the values of trigonometric functions. The coordinates of points on the unit circle correspond to the sine and cosine values of the corresponding angle.