Sin Graph Applications Question

[Dreyzo]

Hi there, I’m terribly stuck on a question in my school maths assignment. I’ve attached the entire question for context. I’m not too sure on how to approach the question, and would appreciate some guidance as to at least how to start the process.

Question 3c is the one I need help with.

 

[Dr.Peterson]

Hi there, I’m terribly stuck on a question in my school maths assignment. I’ve attached the entire question for context. I’m not too sure on how to approach the question, and would appreciate some guidance as to at least how to start the process.

Question 3c is the one I need help with.

You want to find two points on the graph that are 50 mm apart horizontally. Use the symmetry of the graph to determine the x coordinates.