SSC SSC CPO Mock Test Series 2025 (Tier I & II) (DP SI & CAPF) Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities

যদি cos(A + B) = 1/2 এবং tan(A – B) = 1/√3 হয়, তাহলে sin(A + 3B) এর মান নির্ণয় করুন।

1
1
2
1/2
3
√3/2
4
0
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