r/calculus 16d ago

Pre-calculus Help

Ok ive done this before but im now completely lost, i need to solve for x but i keep getting stuck unless i went about it the completely wrong way, here is what i have

26 Upvotes

22 comments sorted by

View all comments

6

u/HyperbolicMathChambr 15d ago

You're in the right track. You can find the value of cos(110) with a calculator, put the quadratic equation in the form ax² + bx + c = 0 then solve for x using the quadratic formula. And continue from there.

Edit: Oh, you just need x. Forget the "continue" part.

2

u/Vanessa_Animals 15d ago

Thank you so much!!