Respuesta :
cos 105º = -0.26
cosec 105º = 1.03
What is trigonometry?
Trigonometry is a branch of mathematics that deals with the relationship between sides and angles of a right-angle triangle.
Given
cos -105º = -0.26
cosec -105º = -1.03
We know that cos(-x) = cos(x)
cosec(-x) = -cosec(x)
cos -105º = cos 105º = -0.26
cosec -105º = -1.03
cosec 105º = -cosec105º= -(-1.03) = 1.03
cosec 105º = 1.03
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