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#1 2011-07-19 21:32:52
- plinio
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- Registered: 2011-07-18
- Posts: 1
trigonometry problem (hard)
how to solve this in step by step? Thanks...
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#2 2011-07-19 21:37:20
- Bob
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- Registered: 2010-06-20
- Posts: 10,637
Re: trigonometry problem (hard)
hi plinio
Solve it?
If this is an identity, then what would you like to do with it?
Or do you just want to simplfy it? Or evaluate it to a number?
Bob
Last edited by Bob (2011-07-19 21:38:50)
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#3 2011-07-20 23:40:18
- gAr
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- Registered: 2011-01-09
- Posts: 3,482
Re: trigonometry problem (hard)
Hi plinio,
Last edited by gAr (2011-07-20 23:43:30)
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