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The cosine is ±1/sqrt(5) = ±0.4472 (approx).

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11y ago

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The tangent of an angle equals the ratio of the?

Sine of the angle to its cosine.


How do you find a cotangent?

Cotangent is ' 1/tangent' or ' Cosine / Sine'.


How do you use sine cosine and tangent?

They are used to find the angle or side measurement of a right triangle. For example, if 2 sides of a right triangle have known values and an angle has a known measurement, you can find the third side by using sine, cosine or tangent.


How does the tangent function relate to sine and cosine?

Tangent = sine/cosine provided that cosine is non-zero. When cosine is 0, then tangent is undefined.


What does tangent on a scientific calculator mean?

It is a trigonometric function, equivalent to the sine of an angle divided by the cosine of the same angle.


What are the consinetagent and sine?

Consider a right triangle ABC as shown below. The right angle is at B, meaning angle ABC is 90 degrees. With the editor I have, I am not able to draw the line AC but imagine it to be there. By pythagorean theorem AC*2 = AB*2 + BC*2. The line AC is called the hypotenuse. Consider the angle ACB. The cosine of this angle is BC/AC, the sine is AB/AC and tangent is AB/BC. If you consider the angle BAC, then cosine of this angle is AB/AC, the sine is BC/AC and tangent is BC/AB. In general sine of an angle = (opposite side)/(hypotenuse) cosine of an angle = (adjacent side)/(hypotenuse) tangent of an angle = (opposite side)/(adjacent side) |A | | | | | | |______________________C B


What is the six trigo function of acute angle?

Sine, Cosine, Tangent, Cosecant, Secant, Cotangent.


What angle is the ratio of the opposite leg length to the adjacent leg length?

Its Tangent, APEX "The tangent of an angle is the ratio of the opposite leg length to the adjacent leg length."


How do you find sine cosine and tangent of 210 degrees?

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How is tangent defined?

The tangent of an angle theta is defined as sine(theta) divided by cosine(theta). Since the sine and cosine are Y and X on the unit circle, then tangent(theta) is Y divided by X. The tangent of a function at a point is the line going through that point which has slope equal to the first deriviative of the function at that point.


What does socotoa mean?

"SOHCAHTOA" is a mnemonic device used to remember the trigonometric ratios of sine, cosine, and tangent in right-angled triangles. The acronym stands for Sine=Opposite/Hypotenuse, Cosine=Adjacent/Hypotenuse, and Tangent=Opposite/Adjacent.


What is the reciprocal of a tangent?

Reciprocal of tangent is '1 /tangent' or ' Cosine / Sine '