railway DFCCIL MTS 2025 Mock Test Series Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities

(sin A + cos A)2 - 2sin A cos A ಯಾವುದಕ್ಕೆ ಸಮಾನವಾಗಿದೆ:

1
sin2 A - cos2 A
2
2
3
1
4
0
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