Question
Download Solution PDF\(\frac{1+\sin^245^\circ}{1-cos^245^\circ}\) এর মান কত হবে?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFপ্রদত্ত:
\(\frac{1+\sin^245^\circ}{1-cos^245^\circ}\)
গণনা
sin 45° = 1/√2
sin2 45° = (1/√2)2 = 1/2
cos 45° = 1/√2
cos2 45° = (1/√2)2 = 1/2
এই মানগুলি ব্যবহার করে
\(\frac{1+\sin^245^\circ}{1-cos^245^\circ}\)
\(\frac{1+ \frac{1}{2}}{1-\frac{1}{2}}\)
\(\frac{\frac{3}{2}}{\frac{1}{2}}\)
3
∴ বিকল্প 2 হল সঠিক উত্তর।
Last updated on Jul 22, 2025
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