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Solving: $\left(\arctan\left(\frac{3}{5}\right)+\arccos\left(\frac{12}{13}\right)\right)\cos\left(\right)$
Solve instead: $\cos\left(\arctan\left(\frac{3}{5}\right)+\arccos\left(\frac{12}{13}\right)\right)$

Exercise

$\cos\left(\arctan\left(\frac{3}{5}\right)+\arccos\left(\frac{12}{13}\right)\right)$

Step-by-step Solution

1

Multiply the single term $\cos\left(\right)$ by each term of the polynomial $\left(\arctan\left(\frac{3}{5}\right)+\arccos\left(\frac{12}{13}\right)\right)$

$\arctan\left(\frac{3}{5}\right)\cos\left(\right)+\arccos\left(\frac{12}{13}\right)\cos\left(\right)$

Final answer to the exercise

$\arctan\left(\frac{3}{5}\right)\cos\left(\right)+\arccos\left(\frac{12}{13}\right)\cos\left(\right)$

Try other ways to solve this exercise

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Main Topic: Simplify Trigonometric Expressions

Simplification of trigonometric expressions consists of rewriting an expression with trigonometric functions in a simpler form. To perform this task, we usually use the most common trigonometric identities, and some algebra.

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