state gov RSMSSB Junior Assistant & Lipik Grade (LDC) Mock Test 2024 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities

যদি sin A = 1/2 হয় এবং A ও B পরস্পরের পূরক কোণ হয়, তবে sin (A-B) এর মান নির্ণয় করুন।

1
-1/2
2
-1
3
1/2
4
0
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