Question

In right triangle XYZ, angle z. is right angle and sin(X)=24/26. What is the value of cos(Y)? A. 26/24. B. 10/26. C. 24/26. D. 10/24.

Answer 1

Since Z = 90°, X and Y are complementary (X + Y = 90°). So cos(Y) = sin(X). Given sin(X) = 24/26, cos(Y) = 24/26. Answer: C.