Question

In right triangle LMN, L and M are complementary angles and sin(L) is 19/20. What is cos(M)?

A.19/20
B.1/20
C.(square root of 39)/19
D.(square root of 39)/20

Answer 1

19/20

Explanation:

:)

Answer 2

I believe the correct answer from the choices listed above is option A. In right triangle LMN, L and M are complementary angles and sin(L) is 19/20. Therefore, cosine of M would be 19/20 as well. It would be helpful if you draw a figure of the problem. Hope this answers the question.