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What is the trigonometrical formula of Sin A / 2 for half angle?

Asked by Saravanan 10/11/2016 Last Modified 28/11/2016

1 Answer

+2 Mathematics Triangles

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Sin90+Tan360+Sec90?

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The force between two long parallel conductors is inversely proportional to a.) radius of conductors. b.) current in one conductor. c.) product of current in two conductors. d.) distance between the conductors.

D. Distance b/w the two conductors

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What is the equation of tangent and its slope form?

m= the slope of the tangent= dy/dx Tangent A: y= mx + square root( square of (am) + square of b), where m=the slope of the tangent=dy/dx or at (x1, y1), xx1/square of a + yy1/square of b=1. c = sqrt (a*a*m*m + b*b).

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As we know that, single GM between two numbers a and b will be +(root (a*b)), Could anybody tell me, why not -- (root (a*b)) While, 4 8 16 and 4 -8 16 both are in GP.

There are two parts to your question. 1. Can a GM be negative. 2. Does the calculation follow from this formula which you have stated. Answer to the first part is yes. GM can be negative. Answer...

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