Question
Download Solution PDF(sin32° cos58° + cos32° sin 58°) এর মান হল:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFপ্রদত্ত:
(sin32° cos58° + cos32° sin 58°)
ব্যবহৃত ধারণা:
\(sin(90^\circ-\theta)=cos\theta\)
\(cos(90^\circ-\theta)=sin\theta\)
\(sin^2\theta+cos^2\theta=1\)
গণনা:
sin32° cos58° + cos32° sin 58°
= sin32° sin(90° - 58°) + cos32° cos(90° - 58°)
= sin32° sin32° + cos32° cos32°
= sin232° + cos232°
=1
সঠিক উত্তর হল 1।
Last updated on Jun 2, 2025
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