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Option 3-This option logically explains why an annular eclipse occurs, directly connecting to the concept of the Moon appearing smaller than the Sun and leading into the next part of the paragraph about the bright ring of sunlight. Sentence 1 discusses safety precautions during an annular eclipse but does not provide relevant information about the mechanics of the eclipse itself. Sentence 2 mentions a lunar eclipse and introduces a new event, which diverts attention from the main topic of the annular eclipse. Sentence 4 relates to light behavior but inaccurately describes the cause of the ring of sunlight during an annular eclipse, not aligning with the main focus of the passage.
If sec 2A = sin2 60o + sec 60o - cos2 30 o , then find the value of (√3tan A + cot ...
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