Question
Download Solution PDFsin2 25 + sin2 65 का मान ज्ञात कीजिए।
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिया गया है:
sin2 25 + sin2 65
प्रयुक्त सूत्र:
Sin2 θ + cos2 θ = 1
sin2 (90° - θ) = cos2 θ
गणना:
sin2 25 + sin2 65
⇒ sin2 25 + sin2 (90° - 25)
⇒ sin2 25 + cos2 25°
⇒ 1
∴ सही उत्तर 1 है।
Last updated on Jul 17, 2025
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