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| Q.2470 : cot 16° cot 48° cot 42 ° cot 60° cot 74° = ? | |||
| (b) 1/√2 | |||
| (c) √3 | |||
| (d) 1/√3 | |||
| Answer : 1/√3 | |||
| Q.2469 : tan 9° tan 43° tan 60° tan 47° tan 81° = ? | |||
| (b) √3 | |||
| (c) 1/√2 | |||
| (d) 1/√3 | |||
| Answer : √3 | |||
| Q.2467 : 2 cos² 60° + 3 sin² 45° - 3 sin² 30° + 2 cos² 90° = ? | |||
| (b) 1 सही 1/2 | |||
| (c) 1 सही 1/4 | |||
| (d) 2 सही 1/4 | |||
| Answer : 1 सही 1/4 | |||
| Q.2466 : cot² 30° - 2 cos&3178; 30° 3/4 sec² 45° + 1/4 cosec² 30° = ? | |||
| (b) 1 | |||
| (c) 2 3/4 | |||
| (d) 3/4 | |||
| Answer : 1 | |||
| Q.2465 : (cos 60° - tan 30°)/ 1 + tan 60° tan 30° = ? | |||
| (b) 1/2 | |||
| (c) 0 | |||
| (d) 2 | |||
| Answer : 0 | |||
| Q.2464 : sin² 30° cos² 45° + 4 tan² 30° + 1/2 sin² 90° + 1/8 cot² 60° = ? | |||
| (b) 2 1/3 | |||
| (c) 3 1/2 | |||
| (d) 3 3/4 | |||
| Answer : 2 | |||
| Q.2463 : tan 30° cosec 60° + tan 60° sec 30° = ? | |||
| (b) 4/3 | |||
| (c) 2 | |||
| (d) 8/3 | |||
| Answer : 8/3 | |||
| Q.2462 : sin 60° cos 30° - cos 60° sin 30° = ? | |||
| (b) 1/2 | |||
| (c) 3/2 | |||
| (d) -1/2 | |||
| Answer : 1/2 | |||
