cotA*cotB*cotC = 1/[tanA+tanB+tanC]
Apply Napier's rulesin co-c= (tanco-A)(tanco-B)cosc= 1/tanAtanBc= cos-1(1/tanAtanB)c=118.96 degreessin a= (cosco-A)(cosco-C)a= sin-1(sinAsinC)a=45.52sinb= (tancoA)(tana)b=sin-1 (tana/tanA)b=46.37 or >>>180-46.37 = 133.63FA= c=118.96 degreesa= 45.52 degreesb= 133.63 degrees
If SecA * SinA equals 0, it implies that either SecA or SinA is equal to 0. Since SecA is the reciprocal of CosA, if SecA is 0, then CosA will be undefined. However, if SinA is 0, then CosA will be either 1 or -1 depending on the quadrant in which angle A lies.
The area is 99.0 square units.
There are 2 cups in a pint. There are 2 pints in a quart. There are 4 pints in a half gallon, like if you bought a half a gallon if milk at a store. There are 8 pints in a gallon. 10 pints equals 20 cups. 10 pints equals 5 quarts 10 pints equals 2 and a half gallons. 10 pints equals 1 and a quarter gallons. Hope I helped!
It is (tanA+tanB)/{tanA*tanB} - 1/(tanA+tanB)
cotA*cotB*cotC = 1/[tanA+tanB+tanC]
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