Sin and CosPro Problems > Math > Algebra > Functions > Trigonometry > Equations
Sin and Cos
Solve for x in the interval [0, 2p)
-2(sin2 x)(cos x) + cos2 x = 1
Problem by Mr. Twitchell
SolutionIn order to make it feasible for teachers to use these problems in their classwork, no solutions are publicly visible, so students cannot simply look up the answers. If you would like to view the solutions to these problems, you must have a Virtual Classroom subscription.
Assign this problemClick here to assign this problem to your students.
If (sin2X)(cosX) =
cosX, and 0 ≤ X < 180, find all possible values of X.
Find all angle values between zero and 360 inclusive that make the equation true.
8cos4x - 10cos2x + 3 = 0
Featured Games on This Site
Match color, font, and letter in this strategy game
Trap all the dots in this problem-solving puzzle
Blogs on This Site
Reviews and book lists - books we love!
The site administrator fields questions from visitors.
Like us on Facebook to get updates about new resources