Discussions

• verify cos(x)+1=cot^2(x)/(cos^2(x)-1)?

  1 view 1 comment 0 points Most recent by clement-f May 2021Science & Mathematics
• verify cos(x)+1=cot^2(x)/(cos^2(x)-1)?

  1 view 1 comment 0 points Most recent by clement-f May 2021Science & Mathematics