If and with , determine…

MATHEMATICS · Subjective · CBSE · Mathematics · Trigonometric Functions · Trigonometric Functions

Problem

If sin⁡α=35\sin \alpha = \dfrac{3}{5} and cos⁡β=1213\cos \beta = \dfrac{12}{13} with 0∘<α,β<90∘0^\circ < \alpha, \beta < 90^\circ, determine cos⁡(α−β)\cos(\alpha - \beta).

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