Question

Find the minimum of $\displaystyle \frac{1}{\sin^2(\angle A)} + \frac{1}{\sin^2(\angle B)} + \frac{1}{\sin^2(\angle C)}$

score 193 · Answer 1 · 2026-04-14 10:55:45

Find the minimum of $\displaystyle \frac{1}{\sin^2(\angle A)} + \frac{1}{\sin^2(\angle B)} + \frac{1}{\sin^2(\angle C)}$

score 75 · Answer 2 · 2026-04-16 05:31:20

75

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List Question

Find the minimum of $\displaystyle \frac{1}{\sin^2(\angle A)} + \frac{1}{\sin^2(\angle B)} + \frac{1}{\sin^2(\angle C)}$

Approximation for $\sin(\beta\sin(x))$

How to find length of the sides of a triangle given the ratio of the sines of the angles?

How do I go about solving this derivative of inverse tangent?

Finding the range and domain of $f(x)=\tan (x)$

Can this be simplified?

Calculate coordinate of any point on triangle in 3D plane

Finding an area of a triangle inside of a triangle, given certain areas of other triangles, and area ratios.

Picture/intuitive proof of $\cos(3 \theta) = 4 \cos^3(\theta)-3\cos(\theta)$?

How to resolve multiply differentiation function algorithms?

Find the exact value of $\sin (\theta)$ and $\cos (\theta)$ when $\tan (\theta)=\frac{12}{5}$

Very simple question regarding sum/difference identity

Circle area and lim

On proving an identity given a system of trig equations

Please solve this equation

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