I need help bro please help me lol

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

In the diagram, the ratios of two pairs of corresponding sides are equal to prove that almn - axyz by the sas similarity theorem, it also needs to be shown that x 6 z un z zz un = 2x zləzz lezy

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?