Teaching NVS TGT 2024 Test Series Quantitative Aptitude Trigonometry

If \(\cos α=\frac{2}{3}\) and \(\sinβ=\frac{1}{4}\), then what is the value of cos (α - β)?

1
\(\frac{2\sqrt{15}+\sqrt5}{12}\)
2
\(\frac{\sqrt5}{12}\)
3
0
4
\(\frac{2\sqrt{15}-\sqrt5}{12}\)
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