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Learn how to find the value of cos 120 using two angles, 90 and 180 degrees, and their cosine functions. See the trigonometric table for other angles and their values, and test your knowledge with a quiz.
Learn how to find the value of cos 120 degrees using the unit circle, trigonometric functions, and identities. See examples of cos 120 degrees in different expressions and FAQs.
Cos 120 degree is equal to minus half which can be written as (- ½ ) 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. So in short, we can say that measuring a triangle (specifically right-angled triangle) is trigonometry.
- The value of cos 120 is minus half which can be written as -1/2 or -0.5. there are two ways through which the value of cos 120 can be calculated, t...
- The study notes on the topic value of course 120 are easily available on Vedantu’s website; these notes have been curated carefully by Vedantu’s te...
- Vedantu’s article on cost 120° is mainly about the ways in which the value of course 120° can be calculated and it explains in-depth the various fu...
- The four quadrants of a triangle are as follows-First Quadrant: All the angles between 0⁰ and 90⁰ lie in the first quadrant. The value of all the f...
- The three basic functions of trigonometry are sin, cos, tan. These functions are explained in-depth in the study notes provided by Vedantu, which h...
May 4, 2023 · What is Value of Cos 120? Value of cos 120 degrees is -0.5 or -1/2 & value of cos 120 in radians is \ (\cos \left (\frac {2\pi } {3}\right)\) or cos (2.0943951). Whenever the value of any angle is to be specified in radians, we need to multiply it with \ (\frac {\pi} {180}\).
cos120. Natural Language. Math Input. Extended Keyboard. Upload. Have a question about using Wolfram|Alpha? Compute answers using Wolfram's breakthrough technology & knowledgebase, relied on by millions of students & professionals. For math, science, nutrition, history, geography, engineering, mathematics, linguistics, sports, finance, music…
Jul 21, 2024 · This cosine calculator is a twin tool to our sine calculator – add to them the tangent calculator, and you'll have a pack of the most popular trigonometric functions. Simply type the angle – in degrees or radians – and you'll find the cosine value instantly.
cos (120°) is exactly: -1/2. Note: angle unit is set to degrees. Use our cos (x) calculator to find the cosine of 120 degrees - cos (120 °) - or the cosine of any angle in degrees and in radians.
