Question
Download Solution PDFযদি acot θ = b হয়, তাহলে \(\frac{bcosθ - asinθ}{bcosθ + asinθ}\) এর মান কত হবে?
Answer (Detailed Solution Below)
Detailed Solution
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প্রদত্ত:
a cot θ = b
গণনা:
\(\frac{bcosθ - asinθ}{bcosθ + asinθ}\)
পুরো সমীকরণটিকে cos θ দ্বারা ভাগ করে পাই:
⇒ (b - asinθ/cosθ)/(b + asinθ/cosθ)
⇒ (b - atanθ)/(b + atanθ)
⇒ (b - a × a/b)/(b + a × a/b)
⇒ (b2 - a2)/(b2 + a2)
সুতরাং, রাশিটির মান হল (b2 - a2)/(b2 + a2)
Last updated on Jul 22, 2025
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