Same with problem https://www.physicsforums.com/threads/trigonometric-problem.76696/ . My problems here is I cannot came up with the same answers in the book. I didn't solve using vectors.
Homework Equations
I would like to know the equation on the 4th hint although I have different solution...
This problem is same as the problem on this link https://www.physicsforums.com/threads/trigonometric-problem.76696/ .
I would like to ask the number 4 hint which is "4) We therefore have, for example the equality: " the equations can't be seen on my pc as it will only outputs this...
I'm Zenith Gonzales and I'm an engineering student. I would love to be part of this community to enhance my skills in physics, math and any related subjects. Thank you!