दिलेल्या पदावलीचे मूल्य शोधा

 tan2 45° + 3 cos2 30° - 2 sec2 30° -  cot60° 

This question was previously asked in
SSC CGL 2023 Tier-I Official Paper (Held On: 18 Jul 2023 Shift 4)
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Answer (Detailed Solution Below)

Option 1 :
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SSC CGL Tier 1 2025 Full Test - 01
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Detailed Solution

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गणना:

 4/3 tan2 45° + 3 cos2 30° - 2 sec2 30° - 3/4 cot60°

⇒ 4 /3 + 3 × (√3/2)2 - 2 (2/√3)2 - (3 / 4) ×  (1 /3)

⇒ 4 /3 + 3 ×3 / 4 - 2 × 4/3 - 1 /4

⇒ 4 /3 +9 / 4 - 8/3 - 1 /4

⇒ 2 - 4/3 = 2/3

∴ योग्य पर्याय 1 आहे

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