The exact value of sin(30°) sin ( 30 ° ) is 12 .Click to see full answer. Considering this, what is the sin of 30 in degrees?Sin 30 degrees. The value of sin 30 degrees is 0.5. The trigonometric functions also called as an angle function relates the angles of a triangle to the length of its sides.Beside above, what is COS 30 in fraction? value The value of cos of angle 30 degrees is equal to √32 in fraction form exactly. It is an irrational number and equals to 0.8660254037… 0.8660254037 … in decimal form and the same value is considered as 0.866 approximately in mathematics. Herein, what is the exact value of sin degrees? Trigonometry Examples The exact value of sin(60) is √32 .What is the tangent of 30 degrees in a fraction? 30 Degrees Angle Tan=Sin/Cos 30° 1 √3 = √3 3 45° 1 60° √3