# SIN

## “SIN”

Used for – “SIN” is used find the value of sine of the angle which is written in radians in MS excel and display the end result achieved.

Syntax – SIN(Angle).

Example – Let us continue with the example of Degree, we have a value in cell B1 0.523599 which comes as result of formula Radian & value in cell C1 30 which comes as result of formula Degree and wants excel tells the value of sin of these angles then you can write up the formula as =SIN(B1) in cell B2 and Excel came with answer 0.5 which is the value equal to sin of angle 0.523599 Radian. See example below:-
 A B C D E F G H I 1 30 =RADIANS(A1) =DEGREES(B1) 2 =SIN(B1) 3 4 5 6 7

And result you get as under:-
 A B C D E F G H I 1 30 0.523599 30 2 0.5 3 4 5 6 7

You can check it yourself by copy the highlighted table and pasting in the first cell of the spread sheet.
NOTE:- Here you must note that this formula only reads value in radians as per default. So please always converts degree angle to radian angle before using this formula. See the variation you get if you did not convert value into radians first.
 A B C D E F G H I 1 30 =RADIANS(A1) =DEGREES(B1) 2 =SIN(B1) =SIN(C1) 3 4 5 6 7

And result you get as under:-
 A B C D E F G H I 1 30 0.523599 30 2 0.5 -0.98803 3 4 5 6 7

In the above example in cell C2 formula directly calculates the sin of C1 i.e.30 what we think MS Excel is calculating Sin of 30 degree but the MS excel in actual calculates as Sin of 30 radians which means 1718.873 degrees, which is not correct in our aspect but it is absolutely right in as per MS excel. So, for make it sure that MS excel does exactly what we want we have to converts 30 into radians first using RADIANS formula and then should use SIN formula.

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