blackpenredpen

math for fun 

  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



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