# Question on E gravitational potential , but my doubt is regarding trigonometry more.

## Answers and Replies

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You'll have to learn basic trigonometry before you can solve the exercise.

You'll have to learn basic trigonometry before you can solve the exercise.
I have, but this ones kinda proving tough. Maybe the solution is staring at my face but i cant figure it out!

jtbell
Mentor

Hint: draw a horizontal line from the sphere position on the right (the dotted one), to the vertical solid line. Consider the right triangle that this creates.

Hint: draw a horizontal line from the sphere position on the right (the dotted one), to the vertical solid line. Consider the right triangle that this creates.
OMG YES! I told you guys, it probably was staring right in my face. I was thinking more in the terms of forming and isosceles triangle in order to keep the lengths the same, but then again keeping them the same is the problem itself! Thanx a tonne!