MCQ · চট্টগ্রাম প্রকৌশল ও প্রযুক্তি বিশ্ববিদ্যালয় (চুয়েট) ভর্তি পরীক্ষা · ২০১৩
tan2θ·tanθ=1 এর সমাধান কর:
উত্তর জানতে একটি অপশন বেছে নাও 👇
সঠিক উত্তর: ঘ) None of these
ব্যাখ্যা
2tan²θ/(1−tan²θ)=1 ⇒ tanθ=±1/√3 ⇒ θ=nπ±π/6, যা অপশনে নেই।
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