Wednesday

January 28, 2015

January 28, 2015

Posted by **Anonymous** on Wednesday, April 17, 2013 at 11:31pm.

2cos^2(theta)=cos(theta), 0<theta<2pi

- tri -
**Steve**, Thursday, April 18, 2013 at 5:42am2cos^2 - cos = 0

cos(2-cos) = 0

cos=0 or 2

so, theta = ?

**Answer this Question**

**Related Questions**

Trig - Solve the following interval 0<_ (less than or equal to)0(Theta)<...

Calculus - I wanted to confirm that I solved these problems correctly (we had to...

Math Trig Please Help!!! - Find exact values for all the solutions to the ...

calculus - Find circumference of the circle r=2acos theta. s= Int (0 to 2pi) of ...

Trig - Which expression equivalent to: cos(theta + pi/2). A)cos theta B)-cos ...

Pre-Calc - I have two questions how do you solve cos x=sqrt2-cosx on the ...

Precalculus(NEED HELP ASAP PLEASE!!) - Solve: sin(theta)cos(theta)-sin(theta)&#...

Trigonometry - Thank you STEVE!!!!! Suppose that Cos (theta) = 1/square root 2 ...

Physics - An object is shot at 20m/s at an angle theta. The object lands 24m ...

Algebra II - Multiple Choice Which expression is NOT equivalent to 1? (theta) ...