For the sine of 4 radians we use the abbreviation sin for the trigonometric function and write it as sin 4.

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If you have been looking for what is sin 4, or if you have been wondering about sin 4 radians in degrees, then you are right here, too.

In this post you can find the sin 4 value, along with identities.

Read on to learn all about the sin of 4.

Sin 4 Radians

If you want to know what is sin 4 radians in terms of trigonometry, then navigate straight to the explanations in the next paragraph; what’s ahead in this section is the value of sin 4:

sin4 = -0.7568sin 4 = -0.7568sin 4 radians = -0.7568" onclick="if (!window.__cfRLUnblockHandlers) return false; return fbs_click()" target="_blank" rel="nofollow noopener noreferrer" data-cf-modified-f51cf714f358d9bad74cea95-="">Share on Facebook

The sin of 4 radians is -0.7568, the same as sin of 4 radians in degrees. To change 4 radians to degrees multiply 4 by 180° / $pi$ = 229.18312°. Sin 4 = sin 229.18312 degrees.

Our results of sin4 have been rounded to five decimal places. If you want sine 4 with higher accuracy, then use the calculator below; our tool displays ten decimal places.

To calculate sin 4 radians insert the angle 4 in the field labelled rad, but if you want to calculate sin 4 in degrees, then you have to press the swap unit button first.

Calculate sin

rad :
A Really Cool Sine Calculator and Useful Information! Please ReTweet. Click To TweetBesides sin4, similar trigonometric calculations on our site include, but are not limited, to:

There are more formulas for the double angle (2 × 4), half angle ((4/2)) as well as the sum, difference and products of two angles such as 4 and β.

You can locate all of them in the respective article found in the header menu. To find everything about sin -4 click the link. And here is all about cos 4, including, for instance, a converter.

In terms of the other five trigonometric functions, sin of 4 =

$pm sqrt1-cos^2 4$ $pmfrac an 4sqrt1 + an^2 4$ $pmfrac1sqrt1 + cot^2 4$ $pmfracsqrtsec^2 (4) – 1 sec 4$ $frac1csc 4$

As the cosecant function is the reciprocal of the sine function, 1 / csc 4 = sin4.

In the next part of this article of this article we discuss the trigonometric significance of sin4, and there you can also learn what the search calculations form in the sidebar is used for.

What is sin 4?

In a circle with the radius r, the horizontal axis x, and the vertical axis y, 4 is the angle formed by the two sides x and r; r moving counterclockwise is the positive angle.

As detailed in the unit-circle definition on our homepage, assumed r = 1, in the intersection of the point (x,y) and the circle, y = sin 4.

Note that you can locate many terms including the sine4 value using the search form. On mobile devices you can find it by scrolling down. Enter, for instance, value of sin4.

Along the same lines, using the aforementioned form, can you look up terms such as sin 4 value, sin 4, sin4 value and what is the sin of 4 radians, just to name a few.

Given the periodic property of sine of 4, to determine the sine of an angle > 2π, e.g. 10.2831853071796, calculate sin 10.2831853071796 as sin (10.2831853071796 mod 2π) = sine of 4, or look it up with our form.


The frequently asked questions in the context include what is sin 4 radians and what is the sin of 4 radians for example; reading our content they are no-brainers.

But, if there is something else about sine 4 you would like to know, fill in the form on the bottom of this post, or send us an email with a subject line such as sine 4 radians.

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