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The general form of the cosine function is.

Khi đó hàm arccosine của x bằng …Free math problem solver answers your trigonometry homework questions with step-by-step explanations. Các arccosine của x được định nghĩa là chức năng cosin nghịch đảo của x khi -1≤x≤1. Use inverse trigonometric functions to find the solutions, and check for extraneous solutions. Then, write the equation in a standard form, and isolate the variable using algebraic manipulation to solve for the variable. Cos s To solve a trigonometric simplify the equation using trigonometric identities.
