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March 31, 2015

March 31, 2015

Posted by **Anonymous** on Monday, August 6, 2012 at 9:31pm.

- Trigonometry -
**Reiny**, Monday, August 6, 2012 at 10:12pmI substituted any angle in the equation the way you typed it, and the equation was false.

I then tried it as

(sin^2 Ø - cos^2 Ø)/(tanØsinØ + cosØtanØ)

using Ø instead of omega for easier typing.

and got

LS = (sinØ+cosØ)(sinØ-cosØ)/(tanØ(sinØ+cosØ)

= (sinØ - cosØ)/(sinØ/cosØ)

= cosØ(sinØ - cosØ)/sinØ

= cosØsinØ/sinØ - cos^2 Ø/sinØ

= cosØ - (cosØ/sinØ)cos‚

= cosØ - cotØcosØ

= RS

- Trigonometry -
**Anonymous**, Tuesday, August 7, 2012 at 4:43pmWhat does LS and RS stand for?

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