product cos(k x) for k = 1 to n; table cos(k) for k = 1 ... 100; sin(x)^2 vs cos(x)^2; play cos (440 t)^2

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cos^4(x)+sin^4(x) Natural Language; Math Input; Extended Keyboard Examples Upload Random. Compute answers using Wolfram's breakthrough technology & knowledgebase, relied on by millions of students & professionals. For math, science, nutrition, history, geography, engineering, mathematics, linguistics, sports, finance, music…

Given a function f (x) f x, there are many ways to denote the derivative of f f with respect to x x. The most common ways are Start Fraction, Start numerator, d f , numerator End,Start denominator, d x , denominator End , Fraction End d f d x and f'(x) f ' x.

何百万人もの学生やプロフェッショナルに信頼されているWolframの画期的なテクノロジーと知識ベースを使って答を計算します．数学，科学，栄養学，歴史，地理，工学，言語学，スポーツ，金融，音楽等のトピックが扱えます

f(n) = cos(n) f(n-1) + cos(n-1) plot cos(x!)! from x = -3 to 3; plot floor(10 cos(x)) |cosx| - cos|x| how do you cure hiccups?

A real-valued function f (x) f x is said to have a limit L L if, as its argument x x is taken arbitrarily close to Start subscript, Start base, x , base End,Start subscript, 0 , subscript End , subscript End x 0, its value can be made arbitrarily close to L L.

find zeros of (sin^4(x) + cos^4(x)) (sin^4(x) + cos^4(x)) > 0; intercepts (sin^4(x) + cos^4(x)) plot (sin^4(x) + cos^4(x))^(sin^4(x) + cos^4(x)) from x=-5 to 5; university with the largest enrollment

何百万人もの学生やプロフェッショナルに信頼されているWolframの画期的なテクノロジーと知識ベースを使って答を計算します．数学，科学，栄養学，歴史，地理，工学，言語学，スポーツ，金融，音楽等のトピックが扱えます

simplify sin^4 x-cos^4 x. Natural Language; Math Input; Extended Keyboard Examples Upload Random. Compute answers using Wolfram's breakthrough technology & knowledgebase, relied on by millions of students & professionals. For math, science, nutrition, history, geography, engineering, mathematics, linguistics, sports, finance, music…