blackpenredpen

math for fun 

To see this working, head to your live site.
  1. Discussions
  2. Math Problems
  3. Trigonometric sistem of equations
Search
Leo Biasotto
Jul 24, 2019

Trigonometric sistem of equations

How do I solve this sistem?




Knowing that



This is a question from a Brazilian's college entrance exam.

I already find that



1 comment
Andy Holaday
Jul 28, 2019

@Louis Romao If you graph the equations as given (without trying to solve for y), you will see two intersections.

0