Final Answer
Step-by-step Solution
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The cosine of $45$ equals $\frac{\sqrt{2}}{2}$
Multiply $80$ times $\frac{\sqrt{2}}{2}$
Specify the solving method
The cosine of $45$ equals $\frac{\sqrt{2}}{2}$
Multiply $80$ times $\frac{\sqrt{2}}{2}$
Solving a math problem using different methods is important because it enhances understanding, encourages critical thinking, allows for multiple solutions, and develops problem-solving strategies. Read more
Express in terms of sine and cosineSimplifySimplify into a single functionExpress in terms of SineExpress in terms of CosineExpress in terms of TangentExpress in terms of CotangentExpress in terms of SecantExpress in terms of CosecantFactorFind the derivativeSolve 80cos45 using basic integralsArithmetic is a branch of mathematics that consists of the study of numbers, especially the properties of the general operations of addition, subtraction, multiplication and division.
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