in the triangle, which is equivalent to sin a? cos a cos c sin b sin c | Sovi AI

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in the triangle, which is equivalent to sin a? cos a cos c sin b sin c

Question

in the triangle, which is equivalent to sin a? cos a cos c sin b sin c

Explanation:

Step1: Recall trigonometric relations in right - triangle

In right - triangle $ABC$ with right - angle at $B$, $\sin A=\frac{BC}{AC}$, $\cos C = \frac{BC}{AC}$.

Answer:

$\cos C$