Finding all Solutions for 2cos(x)-�ã3=0

Finding all Solutions for2cos(x)-�ã3=0
1. 5 answers
2. asked by Kelly
3. 1,315 views
Find all solutions on the interval [0.2pi)A) -3sin(t)=15cos(t)sin(t) I have no clue... b) 8cos^2(t)=3-2cos(t) All i did was move
1. 1 answer
2. asked by Dan
3. 849 views
Given that 2cos^2 x - 3sin x -3 = 0, show that 2sin^2 x + 3sin x +1 = 0?Hence solve 2cos^2 x + 4sin x - 3 = 0, giving all
1. 2 answers
2. asked by Sean
3. 987 views
cosA= 5/9 find cos1/2Aare you familiar with the half-angle formulas? the one I would use here is cos A = 2cos^2 (1/2)A - 1 5/9 +
1. 0 answers
2. asked by Anonymous
3. 825 views
I am given a vector function <2cos(t) + cos(2t), 2sin(t) + sin(2t), 0>(in other words) : (2cos(t) + cos(2t))i + (2sin(t) +
1. 2 answers
2. asked by Ray
3. 646 views
Find all solutions to the following equation on the interval 0<=x<=2PI8cos^2(X)sin^2(X) + 2cos^2(X) - 3 = 0 There are 8
1. 6 answers
2. asked by Bryan
3. 758 views
how can i find all the exact solutions to the equation : 2cos^2x + 3sinx = 3the solutions have to be between [0,2pi)
1. 1 answer
2. asked by Joe
3. 864 views
Find all solutions to the equation in the interval [0, 2pi)cos4x-cos2x=0 So,this is what i've done so far: cos4x-cos2x=0
1. 1 answer
2. asked by Maria
3. 1,648 views
What am I doing wrong?Equation: sin2x = 2cos2x Answers: 90 and 270 .... My Work: 2sin(x)cos(x) = 2cos(2x) sin(x) cos(x) =
1. 1 answer
2. asked by Anonymous
3. 993 views
Determine the solution of the equetion: 2cos x-1=0? 2cos x=0? and 2cos x+1=0?
1. 3 answers
2. asked by Miley
3. 504 views