Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities

આપેલ છે કે A અને B બીજા ચતુર્થાંશ કોણ છે, sin A = \(\frac{4}{5}\) અને sin B = \(\frac{5}{13}\) તો cos(A - B) નું મૂલ્ય શોધો.

1
\(\frac{12}{65}\)
2
\(\frac{56}{65}\)
3
\(\frac{16}{13}\)
4
\(\frac{28}{65}\)

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