Discussions

• 2sin^2A + 2sin^2B + 2sin^2C = 2sin^2A + 1 - cos2B + 1 - cos2C?

  6 views 1 comment 0 points Most recent by brenda June 2021Science & Mathematics
• 2sin^2A + 2sin^2B + 2sin^2C = 2sin^2A + 1 - cos2B + 1 - cos2C?

  1 view 1 comment 0 points Most recent by brenda May 2021Science & Mathematics