Solve!

4 replies [Last post]
August 16, 2009 - 3:23pm
shift2007s
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GIVEN:
sinA + cosA + tanA + cscA + secA + cotA= 8
FIND: sin2A

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August 17, 2009 - 9:45pm
#1
RTFVerterra
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Re: Solve!

Hello shift2007s, nice post. Here is what I've got:

\sin 2A = \frac{2(1 + \sin A + \cos A)}{8 - \sin A - \cos A}

I will show my solution if somebody will ask. Note: I did not check the accuracy of my solution, you better check it out.

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September 9, 2009 - 12:00pm
#2
tina
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Re: Solve!

hi .. i jusT want tO ask how to analyze plane trigonometrY?!,,coZ im having a haRd time to soLve it,, tenx!

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September 16, 2009 - 7:10pm
#3
maestro
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Re: Solve!

you need to have a strong foundation of college algebra...a wide reader of different books...and continuously solving problems.correct practice makes perfect.hope it will help

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October 25, 2009 - 9:54am
#4
RTFVerterra
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Re: Solve!

Hello Tina, try to read this one: http://www.mathalino.org/blog/lj/134/why-is-math-so-hard

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