Question
Download Solution PDF নিম্নলিখিত কোনটির সমান (যেখানে
নিম্নলিখিত কোনটির সমান (যেখানে
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFপ্রদত্ত:
ব্যবহৃত ধারণা:
1. a2 - b2 = (a + b)(a - b)
2. sin2 θ + cos2 θ = 1
গণনা:
⇒
⇒
⇒
⇒
∴
Last updated on Jul 17, 2025
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