in Calculus recategorized by
0 votes
0 votes

Which one of the following is the solution for $\cos^2 x + 2 \cos x + 1 = 0$, for values of $x$ in the range of $0^\circ < x < 360^\circ$

  1. $45^\circ$
  2. $90^\circ$
  3. $180^\circ$
  4. $270^\circ$
in Calculus recategorized by
1.4k points

Please log in or register to answer this question.


Related questions

Welcome to GATE BioTechnology, where you can ask questions and receive answers from other members of the community.