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Answer 1

(c)47/24

Given exp. = ( 1 2 ) 2 × ( 1 √ 2 ) 2 + 4 × ( 1 √ 3 ) 2 + 1 2 × ( 1 ) 2 − 2 × 0 (12)2×(12)2+4×(13)2+12×(1)2−2×0 = 1 4 × 1 2 + 4 × 1 3 + 1 2 = 1 8 + 4 3 + 1 2 = 3 + 32 + 12 24 = 47 24Read more on Sarthaks.com - https://www.sarthaks.com/986095/the-value-of-1-2-sin-2-90-sin-2-30-cos-2-45-4-tan-2-30-1-2-sin-2-90-2-cos-2-90-is

Answer 2

Step-by-step explanation:

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