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#1

Suppose g(a) = 7.6 cos(0.5a).

a. What is the argument of the cosine function? (Enter an expression.)

1 Answer

5 votes

Answer:


0.5a

Explanation:

We have been given a trigonometric function
g(a)=7.6\text{ cos}(0.5a). We are asked to find the argument of the cosine function.

We know that a trigonometric equation is solved for an unknown angle and that unknown angle is known as the argument of the trigonometric function. For example:
\text{cos}(\theta)=0. In this equation
\theta is the argument of the equation.

Upon looking at our given function, we can see that
0.5a is the argument.

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