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| 1. |
Find the value of :(Cos0°+sin45°+sin30°) (sin90°-cos45°+cos60°) |
| Answer» (cos 0° + sin 45° + sin 30°)(sin 90° − cos 45° + cos 60°) …(i)By trigonometric ratios we have\xa0By substituting above values in (i), we get | |