Cos 30: It is noted that the value

It is noted that the value of Sec 30 will be reciprocal of Cos 30 value. Cos 30 Value Cos 30 degrees is written as cos 30 ° and has a value in fraction form as √3/2. Cos 30 ° = √3/2 Cos 30 ° = √3/2 is an irrational number and equals to 0.8660254037 (decimal form). Therefore, the exact value of cos 30 degrees is written as 0.8660 approx. Discover the exact value of cos 30 degrees in fraction (√3/2), with formula, derivation & comparison table. Master trigonometry for exams with simple explanations. In trigonometry, the cosine function is defined as the ratio of the adjacent side to the hypotenuse. If the angle of a right triangle is equal to 30 degrees, and then the value of cosine at this angle i.e., the value of Cos 30 degree is in a fraction form as √3/2. It is noted that the value of Sec 30 will be reciprocal of Cos 30 value. Cos 30 ... The derivation of cos 30 ° is given below. How to Derive the Value of Cos 30 Degrees? The value of cos 30 degrees can be found in terms of different trigonometric functions like sine functions and cos functions with varying angles like 60°, 90°, etc., and also with the help of some other trigonometric sine functions.