Ask a New Question

Solve Cos^2(x)+cos(x)=cos(2x). Give exact answers

Use the quadratic formula to solve the equation. Give exact answers.2x^2 + 11x - 21 = 0 a) -3/2, 7 b) 3/2, -7 c) 3/2, 7 d) -3/2,
1. 1 answer
2. asked by Cassie
3. 784 views
Solve the equation by completing the square. If the solutions are real, give exact and approximate answers. Otherwise, list the
1. 1 answer
2. asked by Andrea
3. 1,511 views
Solve the equation by completing the square. If the solutions are real, give exact and approximate answers. Otherwise, list the
1. 1 answer
2. asked by Andrea
3. 808 views
Solve the equation by completing the square. If the solutions are real, give exact and approximate answers. Otherwise, list the
1. 1 answer
2. asked by Andrea
3. 653 views
solve and give answers in an exact form(16^x)[1/(2^(x+2))] = 8[(4^x)]^-1
1. 1 answer
2. asked by stay safe
3. 499 views
Solve Cos^2(x)+cos(x)=cos(2x). Give exact answers within the interval [0,2π)Ive got the equation down to -cos^2(x)+cos(x)+1=0
1. 1 answer
2. asked by Josh
3. 895 views
PLEASE HELP!!Solve: 1. cos(arcsin(4/5))= ?? 2. tan(arccos(4/5))= ?? 3. cos(arctan(3))= ?? Note: Give exact answers!!
1. 3 answers
2. asked by jh
3. 1,325 views
I am doing volume and surface areas of 3D figures, and am running into the problem of having to give the exact answers as well
1. 1 answer
2. asked by Dan
3. 763 views
Solve : cosxtanx + root3cosx - root3/2tanx - 3/2 = 0Give exact answers and formula for the general solution as well as the
1. 0 answers
2. asked by Don
3. 525 views
please check my answers.Solve the logarithmic equation. Be sure to reject any value that is not in the domain of the original
1. 2 answers
2. asked by Ang
3. 1,106 views