Sunday
June 26, 2016
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
:
Pre Calculus
Posted by
Peter
on
Thursday, April 15, 2010
at 5:11am.
Establish the identity
(cosx/2-sinx/2)^2=1-sin x
Pre Calculus -
Reiny
, Thursday, April 15, 2010 at 8:43am
Hint:
sin 2A = 2sinAcosA
treat x/2 as A
Answer This Question
First Name:
School Subject:
Answer:
Related Questions
Pre Calculus
- Establish the following identity sin 2x/sinx - cos2x/cosx = secx
Math - Pre- Clac
- Prove that each of these equations is an identity. A) (1 + ...
Pre-Calc
- Establish the identity. sinx + cosx/sinx - cosx = 1+2sinxcosx/2sin^2x...
Trigonometry.
- ( tanx/1-cotx )+ (cotx/1-tanx)= (1+secxcscx) Good one! ...
Precalculus/Trig
- I can't seem to prove these trig identities and would really ...
Pre-Calculus
- How would you prove/Verify this Identity. x=theta (cosx+sinx-sin^...
Trig........
- I need to prove that the following is true. Thanks (cosx / 1-sinx...
Pre-Calc : Verify the Identity
- Verify the Identity: sin(x+π)/cos(x+3π...
Calculus 2 Trigonometric Substitution
- I'm working this problem: ∫ [1-tan...
Trigonometry Check
- Simplify #3: [cosx-sin(90-x)sinx]/[cosx-cos(180-x)tanx] = [...
More Related Questions
Search
Members
Username
Password
Not yet registered?
Click here to register!
Archives
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
2006
2005