I'm trying to find X P( x, -2/7)

then I get

Than I get Then you get The answer is suppose to be .

How do you get

Thanks

Jason

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- June 9th 2008, 05:14 PMDarkhrse99Can I get help with this triq problem?
I'm trying to find X P( x, -2/7)

then I get

Than I get Then you get The answer is suppose to be .

How do you get

Thanks

Jason - June 9th 2008, 05:54 PMtopsquark
- June 9th 2008, 06:36 PMDarkhrse99
Sorry for the confusion, the math code is kicking my butt.

I'm trying to find point X on the unit circle.

The book gave me the Y cord of . I need to find X.

The formula is used to find the answer.

I plugged in

Than I get Then you get The answer is suppose to be . - June 9th 2008, 06:57 PMDarkhrse99
I found the answer. The book was wrong. The answer is

- June 9th 2008, 07:20 PMtopsquark
- June 9th 2008, 07:27 PMDarkhrse99
Yes, mostly right. I was stumped all day. The solutions manual said but the text book said