Question
Download Solution PDFsin (1920°) का मान ज्ञात कीजिए।
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFसंकल्पना:
sin (2nπ ± θ) = ± sin θ
sin (90 + θ) = cos θ
गणना:
दिया गया है कि: sin (1920°)
⇒ sin (1920°) = sin(360° × 5° + 120°) = sin (120°)
⇒ sin (120°) = sin (90° + 30°) = cos 30° = √3 / 2Last updated on May 31, 2025
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