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| Q.2459 : यदि tan² 45° - cos² 30° = x sin 45° cos 45° हो तो x = ? | |||
| (b) -2 | |||
| (c) 1/2 | |||
| (d) -1/2 | |||
| Answer : 1/2 | |||
| Q.2458 : यदि x tan 45° cos 60° cot 60° = sin 60° cot 60° हो तो x = ? | |||
| (b) 1/2 | |||
| (c) √3 | |||
| (d) 1/√2 | |||
| Answer : 1 | |||
| Q.2457 : (sec² 60° + 2 cot² 30° - 5 sin² 45° ) का मान है? | |||
| (b) 3 | |||
| (c) 4 | |||
| (d) 5 | |||
| Answer : 3 | |||
| Q.2456 : (3 cos² 60° + 2 cot² 30° - 5 sin² 45°) का मान है? | |||
| (b) 17/4 | |||
| (c) 4 | |||
| (d) 1 | |||
| Answer : 17/4 | |||
| Q.2455 : (sin² 30° + 4cot² 45° - sec° 60°) का मान है? | |||
| (b) 1/4 | |||
| (c) 1 | |||
| (d) 2 | |||
| Answer : 1/4 | |||
| Q.2454 : यदि x = r sin A cos B, y = r sin A sin B तथा z = r cos A हो तो x² + y² + z² = ? | |||
| (b) r³ | |||
| (c) r² | |||
| (d) 3 r | |||
| Answer : r² | |||
| Q.2453 : यदि (tan x + sin x) = m तथा (tan x - sin x) = n हो तो (m² - n² ) = ? | |||
| (b) 2√mn | |||
| (c) 4√mn | |||
| (d) 4mn | |||
| Answer : 4√mn | |||
| Q.2452 : यदि (a cot θ + b cosec θ) = x तथा ( b cot θ + a cosec θ) = y हो तो x² - y² = ? | |||
| (b) a² - b² | |||
| (c) b² - a² | |||
| (d) (a-b)² | |||
| Answer : b² - a² | |||
| Q.2451 : यदि x = a sec θ तथा y = b tanθ हो तो (x²/a² - y² / b² ) का मान होगा? | |||
| (b) - 1 | |||
| (c) 2 | |||
| (d) -2 | |||
| Answer : 1 | |||
