Hi A solution to a problem i have is; x^4.sinx+4x^3.cosx does this simplfy to sinx^5 + 12cosx^4 advice appreciated John
Follow Math Help Forum on Facebook and Google+
Originally Posted by celtic1234 Hi A solution to a problem i have is; x^4.sinx+4x^3.cosx does this simplfy to sinx^5 + 12cosx^4 advice appreciated John No, because and are two completely different functions; thus, it's a no-no to carry the term inside the sine function. To avoid such confusion, I would write it like .
thank you this site is a god send. John
You could simplify this by taking out a common factor though.
View Tag Cloud