Solve tan theta = sqrt

Find the exact value of sin2(theta) if cos(theta) = -sqrt 5/3 and 180 < theta < 270.A)-1/9 B)-4 sqrt 5/9 C)1/9 D)4 sqrt 5/9 B?
1. 5 answers
2. asked by Jon
3. 2,078 views
Suppose tan(theta)=5/7 and theta belongs to Quadrant III, find the exact value of sec(theta)?I already took the steps to solve
1. 2 answers
2. asked by Giovanni
3. 784 views
1. Which expression is equivalent to cos 2theta for all values of theta ?cos^2 theta – sin^2 theta ~ cos^2 theta – 1 1 – 2
1. 1 answer
2. asked by Kelsey
3. 1,420 views
convert to polar: 2xy=3A. r=sqrt(3sin theta cos theta) B. r=sqrt[(3sin theta cos theta)/2] C. r=[3/(2sin theta cos theta)]
1. 1 answer
2. asked by Sade
3. 586 views
I have no idea how to do these type of problems.-------Problem-------- Solve each equation on the interval 0 less than or equal
1. 2 answers
2. asked by Kate
3. 927 views
Find circumference of the circle r=2acos theta.s= Int (0 to 2pi) of Sqrt(4a^2cos^2 theta+4a^2sin^2 theta)d theta =Int (0 to
1. 3 answers
2. asked by ms
3. 1,109 views
Solve the equation on the interval 0 less than or equals theta less than 2 pi 0≤θ<2π. 2cos^(2)\theta +\sqrt(2cos\theta
1. 1 answer
2. asked by Yana
3. 644 views
csc(theta)= 1/xsec(theta)= 1/ sqrt(1-x^2) cot(theta)= sqrt(1-x^2)/x What are these equations used for in real life matters or in
1. 1 answer
2. asked by Maria
3. 450 views
Find exact values for all the solutions to the equation cos theta = sqrt 3/2 for -2pi <= theta <= 2piTheta = Theta = Theta =
1. 3 answers
2. asked by George
3. 1,865 views
Hello! I have this problem:x(dx)/sqrt(9-x^2) I was wondering why I can't use trig substitution and substitute sqrt(9-x^2) for
1. 1 answer
2. asked by Lucy
3. 768 views