other govt exam NBE Junior Assistant 2024 Mock Tests Series Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities

Provided sin (A – B) = sinA cosB – cosA sinB, then sin 15° will be.

1
√322
2
√3 + 122
3
√3-12
4
(√3 – 1)/2√2
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