Proof of d/dx sin x = cos x AI, Data Science, & Business Analytics for Small Business Applications and Large Enterprises › Forums › Calculus › Proof of d/dx sin x = cos x This topic is empty. Viewing 1 post (of 1 total) Author Posts March 2, 2025 at 1:00 am #1265 AdminKeymaster Proof of d/dx sin x = cos x byu/DigitalSplendid inlearnmath Comment byu/DigitalSplendid from discussion inlearnmath Comment byu/DigitalSplendid from discussion inlearnmath Comment byu/DigitalSplendid from discussion inlearnmath Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In