Ask a New Question

2cos^2theta-3costheta+1=0 inerval [0,2Pi)

2cos^2theta-3costheta+1=0inerval [0,2Pi)
1. 2 answers
2. asked by Adam
3. 546 views
convert the polar equation r^2=2cos^2theta + 3sin^2theta into a rectangular equation
1. 1 answer
2. asked by casey
3. 988 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. 1,818 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
solve 2cos(2theta-pi)= -2 , -2 pi less or equal to theta less than 2 pi
1. 3 answers
2. asked by haile
3. 400 views
What is the integral of 1-tan^2theta from 0 to pi/3?Using the identity tan^2theta=sec^2theta-1, I got my answer to be 2pi/3 -
1. 1 answer
2. asked by Rachel
3. 624 views
establish identity5csc^2theta-3cot^2theta=2csc^2theta+3
1. 1 answer
2. asked by Anonymous
3. 464 views
if cot theta =7/8 , evaluate (1+sin^2theta)(1-sin^2theta)/(1+cost^2theta)(1+co-^2theta)the answer should be 49/64 but i couldn't
1. 2 answers
2. asked by rani
3. 1,104 views
sin theta = 8/17 and theta is in the second quadrant. Find sin(2theta),cos(2theta),tan(2theta) exactlysin(2theta) cos(2theta)
1. 1 answer
2. asked by Larry
3. 2,052 views
Demostrate the validity of tan^2theta-sin^2theta=sin^4theta sec^2theta
1. 1 answer
2. asked by Mb
3. 890 views