louispartridge2314 louispartridge2314
  • 22-05-2023
  • Mathematics
contestada

HELP!! If A+B+C = 180°, Prove that cos²A + cos²B + cos²C = 2 + sinAsinBsinC​

Respuesta :

Otras preguntas

a sum of RS 500 is in the form of denominators of RS5 & RS 10..if the total no. of notes is 90 ,find the no. of notes of each type................
A soccer ball is kicked straight up from the ground with an initial velocity of 32 feet per second. Its height above ground in feet is given by: s(t)=-16t^2 +32
Find the 6th term in the expanded form of the equation (2x+y)^9
write a paragraph on wonders of science
What year did the Mayflower sail the ocean blue?
Georges Cuvier's discovery of fossils of Irish elk and giant ground sloth:
the total cost of 3 tables & 2 chairs is rs 1850 ...if a table RS 75 more than a chair ,find the price of each ?
what does 'secret, black and midnight hags' mean in shakespeare?
write a paragraph on wonders of science
What national symbol is common to China and Wales ?