solve: cot(2theta/3)= -sqrt3 Please help,

solve:cot(2theta/3)= -sqrt3 Please help, I don't know how to start and how to set it up.
1. 2 answers
2. asked by S
3. 2,362 views
Solve tan(40/90) for the double angle cos(2theta). I know I use the x^2 + y^2 = r^2 formula and cos(2theta) = cos^2theta -
1. 1 answer
2. asked by Anna
3. 683 views
Find the exact solution(s) of the system: x^2/4-y^2=1 and x=y^2+1A)(4,sqrt3),(4,-sqrt3),(-4,sqrt3),(-4,-sqrt3)
1. 3 answers
2. asked by Jon
3. 750 views
Find the exact solution(s) of the system: x^2/4-y^2=1 and x=y^2+1A)(4,sqrt3),(4,-sqrt3),(-4,sqrt3),(-4,-sqrt3)
1. 0 answers
2. asked by Jon
3. 649 views
(sqrt3 + 5)(sqrt3 -3) ?multiply that out sqrt3*sqrt3 -3sqrt3 +5sqrt3 -15 now combine and simplify terms. yes the problems is:
1. 0 answers
2. asked by Jasmine20
3. 833 views
sin theta = 8/17 and theta is in the second quadrant. Find sin(2theta),cos(2theta),tan(2theta) exactlysin(2theta) cos(2theta)
1. 2 answers
2. asked by Sally
3. 1,819 views
Find a polynomial function of degree 3 with the given numbers as zeros.-5, sqrt3, -sqrt3 Would this work as a function for this
1. 2 answers
2. asked by Alyssa
3. 768 views
solve the equation of the domain 0¡Ü¦È¡Ü2¦Ð3cos^2theta - 5costheta -1 = 3sin^2theta
1. 1 answer
2. asked by Amanda
3. 544 views
What values of theta between 0 and 2pi solve the following equation?sin squared (2theta)-sin(2theta)-2=0 NOTE: if you choose to
1. 1 answer
2. asked by Natalie
3. 590 views
Assume that no denominator equals 0.sqrt12 - sqrt18 + 3sqrt50 + sqrt75 = (sqrt2^2*3) - (sqrt2*3^2) + (3sqrt2*5^2) + (sqrt3*5^2)
1. 1 answer
2. asked by Jon
3. 742 views