allery2 sin 30° cos 30° என்பது எந்தத் துல்லியமான மதிப்புக்குச் சமம்?
A1/2
B√3/2
C√3
D1
Answer & Solution
Correct answer: B. √3/2
இது 2 x 1/2 x √3/2 = √3/2 என்பதற்குச் சமம், இது sin 60 டிகிரி ஆகும்.
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