louispartridge2314 louispartridge2314
  • 22-05-2023
  • Mathematics
contestada

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

Respuesta :

Otras preguntas

What is the acceleration of an airplane maintaining a constant speed of 67.7 m/s?
Determine the molarity of a solution made by dissolving 8.36 g of MgCl2 in water where the final volume of the solution is 500.0 mL.
Hailey is making 36 mini- pumpkin pies. Each pie takes 6 ounces of pumpkin. The cans of pumpkin are 2 pounds each. How many can of pumpkin does she need to buy?
what punctuation or abbreviations are used in an in-text citation?
Which climate zone has a short summer and is generally cold and windy? A:cold Temperate B:polar c:high Mountain D:desert
Given the slope of a line, and coordinates for two points on the line, find the unknown value. Slope: 3 Points: (10,9) and (a,b) I cannot figure out how to find
what causes an ionic bond to form?Look at the picture above
How travelling the world affects life and personality essay?
what punctuation or abbreviations are used in an in-text citation?
Does coconut oil darken skin after you applied it onto you skin when you go outside?