📚 noun • entry_id 37319
versed sine
Meanings (ES + gloss)
seno verso
The trigonometric function 1 − cos(x).
But if the given arch exceed 90°, find the natural co-sine of its supplement, which add to 1000000, and the sum will be the natural versed sine required.
For the divisions, to be laid on this line, are the differences between the logarithm versed sine of 180°, and the logarithm versed sines of the successive arcs.
Phrases
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Word forms