The question is : If A+B+C = 270 degrees then what is the value of: cos2A + cos2B + cos2C + 4sinA X sinB X sinC. I'll mark as Brainliest. 50 points.
Please help me. I'll mark as Brainliest and 50 points
Please help fast. 50 points and Brainliest
Please answer 50 points and brainliest