HOW DO YOU DIFFERENTIATE cos^2(x). (CHAIN RULE, TRIGONOMETRIC DIFFERENTIATION, SINE, COSINE)

HOW DO YOU DIFFERENTIATE cos^2(x). (CHAIN RULE, TRIGONOMETRIC DIFFERENTIATION, SINE, COSINE)

In this video we calculate the derivative of the function cos^2(x) (in other words, (cos(x))^2). We use chain rule and our knowledge of differentiating the cosine function, cos(x), in order to do this. If you are interested in receiving online tutoring in Mathematics, English, Languages, Sciences, etc, or if you are interested in becoming a tutor yourself, please check out the following websites and use the links below to sign up: https://www.gostudent.org/en/referral... https://www.mytutor.co.uk/tutors/sign...