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Answer for the clue "Trig ratio ", 6 letters:
cosine

Alternative clues for the word cosine

Word definitions for cosine in dictionaries

Wiktionary Word definitions in Wiktionary
n. (context trigonometry English) In a right triangle, the ratio of the length of the side adjacent to an acute angle to the length of the hypotenuse. Symbol: cos

Longman Dictionary of Contemporary English Word definitions in Longman Dictionary of Contemporary English
noun EXAMPLES FROM CORPUS ▪ In this case the rotation tensor R is equal to the direction, cosine L. Example 10. ▪ Thinking these thoughts gets in the way of my learning about sines and cosines. ▪ This function returns the cosine of an angle. ▪ This means ...

Usage examples of cosine.

The headings of the columns of these tables gave the Lunarian symbols for sine, cosine, tangent, and the like.

In order to make any solution at all possible you have assumed cosine squared theta negligible.

Daniel passes an extraordinarily pleasant half-hour turning Dappa’s steady observations into sines and cosines, conic sections and fluxions.

These machines had left far behind such elementary operations as integration, such kindergarten functions as cosines or logarithms.

Woolsey stressing the significance of cosines, which he'd pronounced "cousins," and Lottie Estes explaining the role of potholders in a well-organized kitchen.

He said more, about slighter turns and sines and cosines: Turk didn't seem to get it any better than Zelde did.

The next morning the blackboard was present, fixed by thumbscrews within easy reach of the Captain's hand, and from it the boys were taught, with words and diagrams, the nature of sine, cosine, tangent, cotangent, secant and cosecant, the relations between them, and their value in helping to find your position in a prodigious ocean, no shore, no landmark for ten thousand miles.

Now, to strike an equation--and you'll pardon me for oversimplifying--let's say that our cosine is .

Then on to series of powers, and the elementary transcendental functions such as sines, cosines, logarithms, and exponents.