Question

Exploration 4.3.2: Find the Domains of Sine, Cosine and Tangent 1. Show that the domain of $f(x) = \sin x$ is all real numbers using the definition of the sine function. 2. What is the domain of $f(x) = \cos x$? Justify your answer. 3. What is the domain of $f(x) = \tan x$? Justify your answer.

          Exploration 4.3.2: Find the
Domains of Sine, Cosine and
Tangent
1. Show that the domain of $f(x) = \sin x$ is all
real numbers using the definition of the sine
function.
2. What is the domain of $f(x) = \cos x$? Justify
your answer.
3. What is the domain of $f(x) = \tan x$? Justify
your answer.

Exploration 4.3.2: Find the
Domains of Sine, Cosine and
Tangent
1. Show that the domain of f(x) = sin x is all
real numbers using the definition of the sine
function.
2. What is the domain of f(x) = cos x? Justify
your answer.
3. What is the domain of f(x) = tan x? Justify
your answer.

Added by Christopher G.

Precalculus with Limits

Ron Larson 2nd Edition

Instant Answer

Solved by Expert Ankit Singh

05/02/2022

Step 1

It represents the ratio of the length of the side opposite an angle to the length of the hypotenuse in a right-angled triangle. Since there are no restrictions on the input values for the angle in a right-angled triangle, the domain of sin(x) is all real numbers. Show more…

Show all steps

Thanks for your feedback!

Exploration 4.3.2: Find the Domains of Sine, Cosine and Tangent Show that the domain of f(x)=sinx is all real numbers using the definition of the sine function. What is the domain of f(x)=cosx ? Justify your answer. What is the domain of f(x)=tanx ? Justify your answer. Exploration 4.3.2: Find the Domains of Sine, Cosine and Tangent 1. Show that the domain of f () = sin is all real numbers using the definition of the sine function. 2. What is the domain of f () = cos ? Justify your answer. 3. What is the domain of f () = tan ?Justify your answer.