- Prove sin(3a)sin^3(a)+cos(3a)cos^3(a)=cos^3(2a)?

Discover Questions

If an equilateral triangle has sides of (3x^2 + 8x - 1), what is its perimeter? The population of a certain town is 27,000 and is doubling every 4 years. When will population reach 90,000? Please show steps!? Ice melts at 0°C and dry ice melts at a lower temp. Explain the differences on the melting point based on their intermolecular bonding.? How many moles of N2 reacted if 0.50 mole NH3 is produced? Under which conditions is SO2 gas most soluble in water?