Welcome to Westonci.ca, where finding answers to your questions is made simple by our community of experts. Join our Q&A platform to connect with experts dedicated to providing accurate answers to your questions in various fields. Experience the convenience of finding accurate answers to your questions from knowledgeable experts on our platform.

Find all solutions to the equation.
cos^2 x + 2 cos x + 1 = 0


Sagot :

Answer:

x = [tex]\pi +2\pi n[/tex]

Step-by-step explanation:

Radian:  [tex]\pi + 2 \pi n[/tex]

Degree: x = 180 degree, 360 degree

We hope our answers were helpful. Return anytime for more information and answers to any other questions you may have. Thank you for your visit. We're committed to providing you with the best information available. Return anytime for more. Westonci.ca is your go-to source for reliable answers. Return soon for more expert insights.