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Mathematics 18 Online
OpenStudy (anonymous):

In right ∆LMN, sin M = 0.759. What is cos N?

OpenStudy (anonymous):

do you know the answer

OpenStudy (sachintha):

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OpenStudy (sachintha):

\[cos(N)= cos(90-M)\]

OpenStudy (rhystic):

use trig relations. sin = opp/hyp and cos = adjac/hyp . the adjacent to cos(N) is equal to the opposite in sin(m) (the straight vertical line in the triangle.

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