Let's remind ourselves of what the sine graph looks like so that we can see how many solutions we should be expecting: Therefore, from the graph of the function, we can see that we should be expecting ...

In high school, you probably learned that trigonometric functions – like sine, cosine and tangent –can be derived, geometrically, from a circle (hence why trig functions are also known as “circular” ...

https://doi.org/10.4169/amer.math.monthly.119.06.518 https://www.jstor.org/stable/10.4169/amer.math.monthly.119.06.518 Abstract The product formula for the sine ...