2cos^2 theta/3-1

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. 628 views
Which expression equivalent to: cos(theta + pi/2).A)cos theta B)-cos theta C)sin theta D)-sin theta my book doesnt give examples
1. 3 answers
2. asked by Jon
3. 2,037 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. 1,069 views
Find the volume bounded by r=2-2cos theta and r=-6cos thetaWould this be right 1/2 ∫ [5π/3,π/3] ((-6cos theta)^2 - (2-2cos
1. 1 answer
2. asked by Wyatt
3. 291 views
Solve the following interval0<_ (less than or equal to)0(Theta)<2pi: 1. sin0(theta) + sin2 0(theta) = 0 2. 2cos^20 (theta) +
1. 1 answer
2. asked by Kay
3. 789 views
State the amplitude of the following functions:a) y = cos theta b) y = 1/2cos theta c) y = -2cos theta
1. 0 answers
2. asked by Brittany
3. 433 views
I am having problems with proving identities that has a number and an exponent with it.Like: *2cosxcsc2x = cscx *sin^2 2x =
1. 1 answer
2. asked by Jam
3. 813 views
Prove the following identities:1. (tan theta - sin theta)^2 + (1-cos theta)^2 = (1-sec theta) ^2 2. (1-2cos^2 theta) / sin theta
1. 1 answer
2. asked by Fern Angel
3. 929 views
Prove the following identities:1. (tan theta - sin theta)^2 + (1-cos theta)^2 = (1-sec theta) ^2 2. (1-2cos^2 theta) / sin theta
1. 1 answer
2. asked by Fern Angel
3. 754 views
2cos^2(theta) + Sin(theta)=1I know I have to use the quadratic formula but i'm having trouble after I convert the Cos^2(theta)
1. 1 answer
2. asked by Tom
3. 481 views