prove trigonometric identity - StudentOfFortune.com

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cdh5382
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$1.00 prove trigonometric identity

From Mathematics: Calculus , Mathematics: Calculus
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Due on Dec. 28, 2008
Asked on Dec 27, 2008 at 2:14:54PM

Q:
Prove the identity.

tan^2(x/2)+1=2tan(x/2)cscx

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sudipta

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Posted on Dec 27, 2008 at 2:38:31PM

A:
Preview: ... 1/cos (x/2)}*{1/cos (x/2)} = {sin (x/2) / sin (x/2)}*{1/cos (x/2)}*{1/c ...

The full tutorial is about 65 words long .

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joaog
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Posted on Dec 27, 2008 at 3:05:04PM

A:
Preview: ... x/2) = 1/cos^2(x/2) = 2 ...

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babbar0ankit

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$0.80 SIMPLE SOLUTION.....

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Posted on Dec 27, 2008 at 3:38:03PM

A:
Preview: ... /2)cscx LHS=tan^2(x/2)+1= sin^2(x/2)/cos^2(x/2)+1 = [sin^2(x/2)+cos^2(x/2)]/ cos^2( ...

The full tutorial is about 31 words long .

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speedmath
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Posted on Dec 27, 2008 at 5:57:49PM

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Preview: ... Solution A+ ...

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bibhupada
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Posted on Dec 27, 2008 at 9:06:43PM

A:
Preview: ... ) =[2 tan(x/2)]/[sin(x)] ...

The full tutorial is about 84 words long .