3) cosa cosb cosc$ — — cos2c + — — cosc— cosc 2 730 ( j t) cosa cosb cosc$0 2 sin2a +sin2b...

Download 3) cosA cosB cosC$ — — cos2C + — — cosC— cosC 2 730 ( J T) cosA cosB cosC$0 2 sin2A +sin2B + sin2C=2 cosA cosB cosC+2 cosc=— (2)ž.O, (cos) ... cos sin2A + sin 2B + sin2C =2 cosA cosB cosC+2 cosA =cosB

Post on 30-Mar-2018

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