SSC SSC CPO Mock Test Series 2025 (Tier I & II) (DP SI & CAPF) Mathematics Trigonometry Trigonometric Ratios

दिया गया है कि (1 + cos2A) = 3sinA.cosA हो, तो cotA का मान क्या है?

1
-1 या 1/2
2
1 या 1/2
3
1 या -1/2
4
-1 या -1/2
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