👉 Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric ...

👉 Learn how to solve equations using half-angle identities. To do this we will replace every trig function with half angles ...

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 ...