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How to find the sine of a triangle


Rectangular triangle ABC with right angle A</a>

A triangle is considered to be a right triangle, one of which has a straight line.

To calculate the sine of its sharp angles, as well as the right angle, it is sufficient to have data about its sides.

You will need

  • The dimensions of the sides of a right triangle.



The ratio of the opposite leg to the hypotenuse of a right triangle is called the sine of the acute angle of a right triangle:
Sin A = ABBC
Sin B = ACCB The sinus of 90 degrees is equal to 1.


In order to calculate the sine of one or the otherAngle, you can use the sine table. It is a summary table of the angular values ​​from 0 to 360 degrees and the corresponding angular dimensions.

Table of sines of all possible angles.

How to find the sine of a triangle Was last modified: June 21st, 2017 By Riehuosj
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