Friday
October 9, 2015
School Subjects
Art
Business
Computers
English
Foreign Languages
Health
Home Economics
Math
Music
Physical Education
Science
Social Studies
Grade Levels
Preschool
Kindergarten
Elementary School
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th Grade
7th Grade
8th Grade
High School
9th Grade
10th Grade
11th Grade
12th Grade
College
Adult Education
Post a New Question
Current Questions
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 = ...
More Related Questions
Search
Members
Username:
Password:
Not yet registered?
Click here to register!
Archives
2015
2014
2013
2012
2011
2010
2009
2008
2007
2006
2005
About Jiskha
Contact Us
Link to Us
Submit URL