What Is the Unit Circle?
Read this topicExplanations 3
- The Unit Circle At first the unit circle can look a little overwhelming but it is very useful once you understand all of the parts. Let's look at some basics. The unit circle is…
By Jonathan Heller, Anusha Rahman
- (Video) How to Memorize the Unit Circle by NancyPi This video by NancyPi gives you a good way to memorize the unit circle. Summary The unit circle has a radius of 111. When we w…
By Anusha Rahman
- The Unit Circle Now that we've learned about trigonometric functions, it's time to learn about the unit circle! The unit circle can help you easily find the exact values of comm…
By Anusha Rahman
Problems 13
- Indicate the angle 30∘30^{\circ}30∘.
- Indicate the angle 300∘300^{\circ}300∘.
- Indicate the angle −135∘-135^{\circ}−135∘.
- Indicate the angle 70∘70^{\circ}70∘.
- Indicate the angle .
- Indicate the angle .
- Find the quadrant in which the terminal point determined by ttt lies if sin(t)<0\sin(t)<0sin(t)<0 and cos(t)<0\cos(t)<0cos(t)<0.
- Find the quadrant in which the terminal point determined by ttt lies if sin(t)>0\sin(t)>0sin(t)>0 and cos(t)<0\cos(t)<0cos(t)<0.
- Find the quadrant in which the terminal point determined by ttt lies if sin(t)<0\sin(t)<0sin(t)<0 and cos(t)>0\cos(t)>0cos(t)>0.
- Find the quadrant in which the terminal point determined by ttt lies if sin(t)>0\sin(t)>0sin(t)>0 and cos(t)>0\cos(t)>0cos(t)>0.
- cos(x)2+sin(x)2=?\cos\left(x\right)^2+\sin\left(x\right)^2=?cos(x)2+sin(x)2=?
- Convert each of the following angle measures to radians: \\ a) 60∘60^{\circ}60∘ b) 330∘330^{\circ}330∘
- Convert each of the following angle measures to radians: \\ a) 135∘135^{\circ}135∘ b) 210∘210^{\circ}210∘