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| 1. |
Express the following as trigonometric ratios of some acute angles.sin (-3333^@) |
| Answer» Solution :`SIN (-3333^@) = -sin 3333^@ = -SING(37 (pi)/2 + 3^@) = -(-1)^((37-1)/2) COS 3^@ = -cos 3^@` | |