Thursday
November 27, 2014

Homework Help: Math

Posted by Mary on Wednesday, July 24, 2013 at 2:13pm.

With figure,

img19.imageshack.us/img19/2135/81gd.png

prove:

tan(x/2) = sin(x)/(1+cos(x)).

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

GEOMETRY CIRCLES PLEASE - The diagram shows tangent circles and lines. if AB=15 ...
Trigonometry desperate help, clueless girl here - 2. solve cos 2x-3sin x cos 2x...
Trigonometry - 1.Solve tan^2x + tan x 1 = 0 for the principal value(s) to two ...
Mathematics - Trigonometric Identities - Let y represent theta Prove: 1 + 1/tan^...
precalculus - For each of the following determine whether or not it is an ...
trigonometry hlp me - 6.Prove that tan y cos^2 y + sin^2y/sin y = cos y + sin y...
Trig - Given: cos u = 3/5; 0 < u < pi/2 cos v = 5/13; 3pi/2 < v < ...
Math - Prove each identity: a) 1-cos^2x=tan^2xcos^2x b) cos^2x + 2sin^2x-1 = sin...
MATH - Hi, I really need help with these questions. I did some of them halfway, ...
trignonmetry - 6. Prove that tan λ cos^2 λ + sin^2λ/sin λ = ...

Search
Members