# Search results

1. ### Studying Learning mathematics in an interdisciplinary program

Hello everyone! I finished a masters in integrative neuroscience about a year back, which was supposed to have a very strong mathematics tilt. Despite this, and the two semesters of mathematics, I feel that it did not help me out much. I ended up doing my masters thesis in a lab of physicists...
2. ### Simplify this term—best approach?

I'm not sure how to simplify this without spending a lot of time on it. Is there a pattern that I need to weed out?
3. ### I know ##tan 2\theta## but what is ##sin \theta##

So I get that: $$\sin 2 \theta=-\frac{4}{5}$$ $$\cos 2 \theta=-\frac{3}{5}$$ But what is the next step?
4. ### Tan ##2 \theta=4 /(1-1)##. This means ##2 \theta=90^{\circ}## Why?

One of my solutions had this in one part. Why is this the case?
5. ### Intersection of a tangent of a hyperbola with asymptotes

Summary:: Question: Show that the segment of a tangent to a hyperbola which lies between the asymptotes is bisected at the point of tangency. From what I understand of the solution, I should be getting two values of x for the intersection that should be equivalent but with different signs...
6. ### I Product of distances from foci to any tangent of an ellipse

As part of the final stage of a problem, there is some algebraic manipulation to be done (from the solution manual): But I'm getting lost somewhere: Also a bit of general advice needed: This is part of a self-study Calculus course, and I often have difficulty with bigger algebraic...
7. ### Work done raising a mass

I do not understand how to get ##W = 32r^2##
8. ### Tension T in a parabolic wire at any point

I am unsure how to go about this. I tried following the suggestion blindly and end up with with some cumbersome terms that are not the answer. From what I understand the derivative at each point would equal to T? Answer: I just can seem to get to this. I think I'm there but can't get it in...