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October 15, 2025, 12:16:38 am
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Author Topic: Trig equation q  (Read 510 times)  Share 

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Yitzi_K

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Trig equation q
« on: May 23, 2010, 11:17:09 pm »
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Find the solutions for between for the equation

(the answer is )

this ones got me stumped. Help greatly appreciated.
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enwiabe

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Re: Trig equation q
« Reply #1 on: May 23, 2010, 11:27:22 pm »
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cos^2x = 1 - sin^2x

then let A = sin(x) and you have a quadratic in terms of the variable 'A'.

Solve for A and then sub back sin(x)
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Yitzi_K

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Re: Trig equation q
« Reply #2 on: May 24, 2010, 08:10:37 am »
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of course...

Thanks a lot  :D
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