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Alok0123:
8.25
= 7
[2(1/4 - 3/4) + 5(3)] / 2 = ( - 1 + 15) / 2 = 7
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its wrong sis
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answer 8 aayega
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2 sin²30° - 2 cos²30° + 5 tan²60°\cosec²45
(2×(1/2)² - 2× (√3/2)²+5×(√3)²)/(√2)²
(2×1/4 - 2×3/4 + 15) /2
(1/2 - 3/2 +15)/2
(28/2)/2 = 7 or 28
bhai galat hai
chal nikal answer 8.25 hai
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