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Q. |
If L1 and L2 are actual and theoretical lengths of a tongue rail, d is heel divergence and t is thickness |
A. | sin 1 (d - t/ |
B. | tan 1 (d - t/ |
C. | sin 1 (d - t/ |
D. | tan 1 (d - t/ |
Answer» A. sin 1 (d - t/ |
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