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Earn +20 ptsQ: Find the exact value of cos 195?
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Continue Learning about Trigonometry
What is the exact value of cos 120?
negative one half
What is the half angle formula to find the exact value for tan 165?
tan u/2 = sin u/1+cos u
What is the exact value of tan 330?
The inexact value of tan 330 is -0.577350, to six significant places. The exact value cannot be represented as a single number because it is a non terminating decimal. To represent it exactly, consider that tan x is sin x over cos x, and that sin 330 is -0.5 and cos 330 is square root of 0.75. As a result, the exact value of tan 330 is -0.5 divided by square root of 0.75.
What Is the value of cos?
Cos is the ratio between adjacent side (of the given angle thieta) to the hypotenuse of the triangle.
What is cos(22 degrees)?
cos(22) is a trigonometric ratio and, if the angle is measured in degrees, its value is 0.9272
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