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geometry · This list is for general discussions of geometry and related branches of mathematics, including proofs, constructions, trigonom
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need help proving identities   Message List  
Reply | Forward Message #326 of 1092 |
Re: need help proving identities

YES!!! Thank you VERY much!
Allison

> so that identity is true.I suppose you made a mistake any where.I
> hope I can help you.Have a good study...
>
> Alper Cay
Fri Sep 19, 2003 11:46 pm

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allimomm
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Forward 		Message #326 of 1092 |
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I'm stuck on the following problem: sin(a) - csc(a) = -cos(a)cot(a) Here is what I've done: On the left side I get: sin(a) - 1/sin(a) --> * both by sin(a) to... 		Allison
allimomm
Offline Send Email 		Sep 19, 2003
9:06 pm

sin(a)-csc(a)=?-cos(a).cot(a) sin(a)-(1/sin(a))=-cos(a).(cos(a)/sin(a)) Multiple both side with sin(a) sin^2(a)-1=-cos^2(a) Multiple both side with -1 ...
alpcay
Offline Send Email 		Sep 19, 2003
9:42 pm

YES!!! Thank you VERY much! Allison...
Allison
allimomm
Offline Send Email 		Sep 19, 2003
11:46 pm
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