2020 AMC 12A Problems/Problem 9: Difference between revisions
Lopkiloinm (talk | contribs) Created page with "==Problem 9== How many solutions does the equation tan<math>(2x)=cos(\frac{x}{2})</math> have on the interval <math>[0,2pi]?</math> <math> \textbf{(A)}\ 1\qquad\textbf{(B)}\..." |
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==Problem 9== | ==Problem 9== | ||
How many solutions does the equation tan<math>(2x)=cos(\frac{x}{2})</math> have on the interval <math>[0, | How many solutions does the equation tan<math>(2x)=cos(\frac{x}{2})</math> have on the interval <math>[0,2\pi]?</math> | ||
<math> \textbf{(A)}\ 1\qquad\textbf{(B)}\ 2\qquad\textbf{(C)}\ 3\qquad\textbf{(D)}\ 4\qquad\textbf{(E)}\ 5 </math> | <math> \textbf{(A)}\ 1\qquad\textbf{(B)}\ 2\qquad\textbf{(C)}\ 3\qquad\textbf{(D)}\ 4\qquad\textbf{(E)}\ 5 </math> | ||
Revision as of 13:07, 1 February 2020
Problem 9
How many solutions does the equation tan
have on the interval ![$[0,2\pi]?$](http://latex.artofproblemsolving.com/e/c/c/ecccefb4c460857891d99273237d9deb9ecf41c1.png)
