Sunday
August 2, 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
:
Trigonometry
Posted by

on
Wednesday, April 21, 2010
at 7:11pm.
Solve for x:
1. 2sin(2x)+cos(x)=0
2. cos(2x)=2sin(x)
3. tan(x)=2sin(x)
Answer this Question
First Name:
School Subject:
Answer:
Related Questions
trig
 2sin(x)cos(x)+cos(x)=0 I'm looking for exact value solutions in [0, 3&#...
Precal
 I do not understand how to do this problem ((sin^3 A + cos^3 A)/(sin A...
URGENT  Trigonometry  Identities and Proofs
 Okay, today, I find myself ...
trigonometry (please double check this)
 Solve the following trig equations. ...
math (trig)
 Find sin(x/2) if sin(x)= 0.4 and 3pi/2 < or equal to (x) < ...
Ap Calc AB
 Determine (dy/dx) using implicit differentiation. cos(X^2Y^2) = x I...
Math
 Prove each identity: a) 1cos^2x=tan^2xcos^2x b) cos^2x + 2sin^2x1 = sin...
Math  Trig  Double Angles
 Prove: sin2x / 1  cos2x = cotx My Attempt: LS: = ...
Precalculus
 Verify the identities. Cos^2x  sin^2x = 2cos^2x  1 When ...
Math (trigonometry)
 How do you solve this trig identity problem without ...
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