Friday

November 28, 2014

November 28, 2014

Posted by **clf** on Tuesday, June 5, 2012 at 11:10am.

Cos^2x + cosx + 0

- calculus - info -
**Steve**, Tuesday, June 5, 2012 at 12:00pmno equation

If you mean cos^2x + cosx = 0 then we have

cosx(cosx+1)=0

cosx = 0 or -1

x = pi/2 or pi or 3pi/2

**Answer this Question**

**Related Questions**

Pre-Calc - Trigonometric Identities Prove: (tanx + secx -1)/(tanx - secx + 1)= ...

Maths - Solve this equation fo rx in the interval 0<=x<=360 3sinxtanx=8 I ...

pre-calc - Solve: cos(2x-180) - sin(x-90)=0 my work: cos2xcos180 + sin2xsin180= ...

Trig - prove the identity (sinX)^6 +(cosX)^6= 1 - 3(sinX)^2 (cosX)^2 sinX^6= ...

Calculus - How would I find the antiderivative of this equation? S 0 to pi/3 (1-...

Trigonometry. - ( tanx/1-cotx )+ (cotx/1-tanx)= (1+secxcscx) Good one! ...

RESPONSE to PreCalc Question - h t t p : / / w w w . j i s k h a . c o m / d i s...

Trig--check answer - Solve the equation of the interval (0, 2pi) cosx=sinx I ...

Math - Solving for Trig Equations - Solve the following equation for 0 less than...

Math - Explain how to do this with steps please. 1. Simplify cos(x-y)+cos(x+y)/...