Cos 120 Degrees Math

Free math problem solver answers your algebra geometry trigonometry calculus.

Cos 120 degrees math. The trignometric table of sin cos tan cosec sec cot is useful to learn the common angles of trigonometrical ratios from 0 to 360. As mentioned in the solution given below 120 can be represented in terms of two angles i e. In this video we learn to find the value of cos120. We can show that 120 degrees can be represented in two angles whose value can be taken from trigonometry table.

Calculate cos 120 determine quadrant. 180 60 120 1. Cos 120 degree is equal to minus half which can be written as or 0 5. Cos is one of the functions of trigonometry that deals with the relationship between the angles and sides of a right angled triangle.

Convert to rectangular form 4 cos 120 degrees isin 120 degrees simplify each term. 120 is an obtuse angle since it is greater than 90 cos 120 1 2. Cos 120 value in radians degrees cos values for 120 use this simple cos calculator to calculate the cos value for 120 in radians degrees. Select degrees or radians in the drop down box and.

Since our angle is greater than 90 and less than or equal to 180 degrees it is located in quadrant ii in the second quadrant the values for sin are positive only. Either 90 or 180. For the vertical velocity multiply by the sine of 25 degrees multiply the speed by the cosine of the. How to find the value of cos 120 0.

Free math problem solver answers your algebra geometry trigonometry calculus and statistics homework questions with step by step explanations just like a math tutor. Multiply the speed by the cosine of the angle 25 degrees in this case.