ACT Math : How to find the domain of the sine

Example Questions

Example Question #55 : Trigonometry

Find the domain of the function:

Explanation:

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

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

Example Question #2 : How To Find The Domain Of The Sine

What is the domain of the given trigonometric function:

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: