MCQOPTIONS
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| 1. |
The involute function is defined as |
| A. | inv ϕ = tan ϕ - ϕ |
| B. | inv ϕ = tan ϕ – sin ϕ |
| C. | inv ϕ = tan ϕ – cos ϕ |
| D. | inv ϕ = tan ϕ |
| Answer» B. inv ϕ = tan ϕ – sin ϕ | |