ACT Math : How to find the domain of the sine

Study concepts, example questions & explanations for ACT Math

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Example Questions

Example Question #59 :Trigonometry

Find the domain of the function:

Possible Answers:

Correct answer:

Explanation:

The functionis related to the parent function, which has a domain of.

The value of theta forhas no restriction and is valid for all real numbers.

The answer is.

Example Question #60 :Trigonometry

What is the domain of the given trigonometric function:

Possible Answers:

Correct answer:

Explanation:

For both Sine and Cosine, since there are no asymptotes like Tangent and Cotangent functions, the function can take in any value for. Thus the domain is:

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