CBSE Class 11-science Answered
Pls solve.
Asked by pb_ckt | 23 May, 2019, 15:46: PM
Expert Answer
sin2(θ/2) = (1+cosθ) / 2
hence sin2(45/2) = (1+cos45)/2 = [1 + (1/√2) ] /2 = (√2 +1 ) / (2√2) = (2 + √2 )/2
Answered by Thiyagarajan K | 23 May, 2019, 16:24: PM
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