File:Clock-wise-thumb-rules-cos-sin-tan-first-5-mins.png
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English: Finding cosine and sine angles and numbers on clock, in the first 5 mins/30 degrees. But this scale flipped also gives 60-90 degrees sine and cosine. And we know that the middle 45degres is 0.707. Can on the fly roughly calculate sine and cosine about every 6 degrees(as tic on clock that gives angle) |
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| Source | Own work |
| Author | Thetreespyder |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 10:26, 5 March 2021 | | 1,600 × 1,596 (296 KB) | Thetreespyder (talk | contribs) | Uploaded own work with UploadWizard |
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