Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °

You are not logged in.

- Topics: Active | Unanswered

Pages: **1**

**jacks****Member**- Registered: 2012-11-21
- Posts: 80

If the Sides

and Opposites angles of are varing such a way that Circum-Radius Remain Constant.Then the value of

options:

(1) 0 (2) a+b+c (c) a sin(A)+b sin(B) +c sin(C) (d) None of these

Where da,db;bc are derivates of a,b and c

Offline

**bob bundy****Moderator**- Registered: 2010-06-20
- Posts: 6,734

hi jacks

Where da,db;bc are derivates of a,b and c

'da' is only part of the correct calculus notation here. What are you differentiating with respect to?

The following may help. R is the radius of the circumcircle.

Sine rule.

so, for example:

Bob

You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei

Offline

**jacks****Member**- Registered: 2012-11-21
- Posts: 80

Thanks Bobbundy Got it

Offline

Pages: **1**