To solve trigonometric equations involving radian measure, you should proceed in the same way as for degrees. Use the diagram below to help you apply the necessary conditions. You should also know ...
Struggling with a problem that seems to require trigonometry? This lesson shows how to solve it without using trigonometry, ...
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 ...