WebNov 9, 2024 · Using the chain rule, the derivative of cos (3x) is -3sin (3x) Finally, just a note on syntax and notation: cos (3x) is sometimes written in the forms below (with the derivative as per the calculation above). Just be aware that not all of the forms below are mathematically correct. cos3x. Derivative of cos3x = -3sin (3x) cos 3 x. WebThe Derivative Calculator lets you calculate derivatives of functions online — for free! Our calculator allows you to check your solutions to calculus exercises. It helps you practice by showing you the full working (step by step differentiation). The Derivative Calculator …
Derivative Rules - Math is Fun
WebJan 15, 2006 · f"(x) = -cos(x) 2nd derivative f"'(x) = sin(x) 3rd derivative f""(x) = cos(x) 4th derivative. and it would repeat after this right... see the pattern for a given n the nth derivative of cosine x can only be one of those 4 choices right. so if n/4 has a remainder of 1 the nth derivative is -sin(x) if n/4 has a remainder of 2 the nth derivative ... WebDec 18, 2014 · The derivative of cos^3(x) is equal to: -3cos^2(x)*sin(x) You can get this result using the Chain Rule which is a formula for computing the derivative of the … developing and updating knowledge on protocol
calculus - Finding the $ n $-th derivative of $ {\cos^{n}}(x ...
WebAn antiderivative of function f (x) is a function whose derivative is equal to f (x). Is integral the same as antiderivative? The set of all antiderivatives of a function is the indefinite … WebSep 17, 2016 · Add a comment. 3. Doing it directly is likely to lead to a messy computation. From trigonometry, we know that. 2 n − 1 cos n x = cos n x + ( n 1) cos ( n − 2) x + ( n 2) cos ( n − 4) x + ⋯. Now, we calculate d n d x n ( cos k x) for an arbitrary k as follows: d d x ( cos k x) = − k sin k x = k cos ( π 2 + k x) d 2 d x 2 ( cos k x ... WebJan 25, 2024 · Derivatives of Other Trigonometric Functions. Since the remaining four trigonometric functions may be expressed as quotients involving sine, cosine, or both, … churches in calico rock arkansas