Simultaneous trig equations.

**thec0o0lest** · February 10th 2010, 04:58 PM

How can this system of 2 equation
{ $A.Cos(x)+B.Sin(x)=tan^2(x)-1$
{ $-A.Sin(x)+B.Cos(x)=tan(x)$

have the solution:
$<br /> A=-Cos(x)$
$<br /> B=Sin^3(x)/<br /> Cos^2(x)<br />$
Note:The Second Solution is $Sin^3(x)$ divided by $Cos^2(x)$
Thanks for Help

**Calculus26** · February 10th 2010, 09:53 PM

See attachment

**thec0o0lest** · February 11th 2010, 01:38 AM

Thanks Calculus it helped me

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