by Farhana Rahim on 2024-11-17 17:13:12
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Question: যদি 1 + tan2θ = 4 এবং θ < 90° হয়, θ = ? |
A) 30° |
B) 45° |
C) 60° |
D) 0° |
Correct Answer: 60° |
ব্যাখ্যা: |