In right triangle \(RST\), the sum of the measures of angle \(R\) and…

Question

Prompt

In right triangle

R S T

, the sum of the measures of angle

R

and angle

S

90 degrees

. The value of

sin (R)

\frac{2 10}{7}

. What is the value of

cos (S)

\frac{3 10}{20}

\frac{2 10}{7}

\frac{7 10}{20}

\frac{2 10}{3}