Find all y in [0,2π]

a.

How do I progress from here?

b.

Printable View

- Apr 12th 2013, 01:55 AMUnrealFind all y in [0,2π]
Find all y in [0,2π]

a.

How do I progress from here?

b.

- Apr 12th 2013, 02:55 AMibduttRe: Find all y in [0,2π]
- Apr 12th 2013, 02:59 AMibduttRe: Find all y in [0,2π]
Cos^2x + cos x = sin ^2 x

= 1 – cos^2 x

That gives

2 cos ^2 x + cos x -1 = 0

(Cos x + 1)( 2cosx – 1 )= 0

Cos x = -1 OR cos x = ½

Now you can proceed further - Apr 16th 2013, 12:33 AMmianasad1125Re: Find all y in [0,2π]
You made some good points there. I searched this topic and found out that most people will agree with your blog. Big thanks for the useful info.. online auctions.Just continue on sharing your talent and creations. Jobs in UkHope you can do more, and I'll keep an eye on that.Thanks.hope you let us know more about this. I am really interested to know it. Looking forward for more. Thanks!