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General => Support & Help => Topic started by: putin on May 08, 2011, 11:45:34 AM
Title:
Need help on 2 math problems (Trig)
Post by:
putin
on
May 08, 2011, 11:45:34 AM
1st problem:
Find the exact value of cos75
2nd problem:
Evaluate cos220cos40+sin220sin40
Title:
Re: Need help on 2 math problems (Trig)
Post by:
Old Disabled Account
on
May 08, 2011, 04:11:55 PM
1. 0.92175127
2. -0.598460069
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General => Support & Help => Topic started by: putin on May 08, 2011, 11:45:34 AM General => Support & Help => Topic started by: putin on May 08, 2011, 11:45:34 AM