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April 21, 2014

April 21, 2014

Posted by **spencer** on Tuesday, April 13, 2010 at 8:10pm.

- trig -
**Reiny**, Tuesday, April 13, 2010 at 8:39pmcos 105°

= cos(60+45)

= cos60cos45 - sin60sin45

= (1/2)(√2/2) - (√3/2)(√2/2)

= (√2 - √6)/4

- trig -
**Reiny**, Tuesday, April 13, 2010 at 8:40pmcos 105°

= cos(60+45)

= cos60cos45 - sin60sin45

= (1/2)(√2/2) - (√3/2)(√2/2)

= (√2 - √6)/4

- trig -
**vian**, Thursday, July 19, 2012 at 10:52pmcos195

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